Endocrinology and Metabolism

Original Articles

Adrenal Gland Big Data Articles (National Health Insurance Service Database)
Epidemiology and Long-Term Adverse Outcomes in Korean Patients with Congenital Adrenal Hyperplasia: A Nationwide Study: Jung Hee Kim, Sunkyu Choi, Young Ah Lee, Juneyoung Lee, Sin Gon Kim; Endocrinol Metab. 2022;37(1):138-147. Published online February 28, 2022; DOI: https://doi.org/10.3803/EnM.2021.1328

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Background
Previous studies on the epidemiology and complications of congenital adrenal hyperplasia (CAH) were conducted in Western countries and in children/adolescents. We aimed to explore the epidemiology of CAH, as well as the risk of comorbidities and mortality, in a Korean nationwide case-control study.
Methods
CAH patients (n=2,840) were included between 2002 and 2017 from the National Health Insurance Service database and the Rare Intractable Disease program. CAH patients were compared, at a 1:10 ratio, with age-, sex-, and index year-matched controls (n=28,400).
Results
The point prevalence of CAH patients in Korea was 1 in 18,745 persons in 2017. The annual incidence rate declined between 2003 and 2017 from 3.25 to 0.41 per 100,000 persons. CAH patients were at elevated risk for cardiovascular disease (odds ratio [OR], 1.6; 95% confidence interval [CI], 1.4 to 1.9), stroke (OR, 1.7; 95% CI, 1.3 to 2.0), diabetes mellitus (OR, 2.8; 95% CI, 2.6 to 3.1), dyslipidemia (OR, 2.4; 95% CI, 2.2 to 2.6), and psychiatric disorders (OR, 1.5; 95% CI, 1.3 to 1.6). Fracture risk increased in CAH patients aged over 40 years (OR, 1.4; 95% CI, 1.1 to 1.7). CAH patients were at higher risk of mortality than controls (hazard ratio, 1.6; 95% CI, 1.3 to 2.0).
Conclusion
Our nationwide study showed a recent decline in the incidence of CAH and an elevated risk for cardiovascular, metabolic, skeletal, and psychiatric disorders in CAH patients. Lifelong management for comorbidity risk is a crucial component of treating CAH patients.

Citations

Citations to this article as recorded by

Clinical tools for evaluating congenital adrenal hyperplasia in resource-limited hospitals: a study at a tertiary hospital in Saudi Arabia
Daniah Alhazmi, Azzam Alabdulqader, Shahad Almeqbel, Raghad Alhuthil, Afaf Alsagheir
Frontiers in Endocrinology.2026;[Epub] CrossRef
Nationwide Big Data Studies of Endocrine Diseases Using the Korean National Health Information Database: Research Trends and Standardization of Operational Definitions
Sun Wook Cho, Jung Hee Kim, Kyoung Jin Kim, Beom-Jun Kim, Mee Kyoung Kim, Eun Jung Rhee
Endocrinology and Metabolism.2026; 41(1): 86. CrossRef
Cardiometabolic Aspects of Congenital Adrenal Hyperplasia
Robert Krysiak, Hedi L Claahsen-van der Grinten, Nicole Reisch, Philippe Touraine, Henrik Falhammar
Endocrine Reviews.2025; 46(1): 80. CrossRef
Prevalence of Psychiatric Comorbidities in Females With Classic Congenital Adrenal Hyperplasia
Behzad Sorouri Khorashad, Oumaima Kaabi, Melissa D Gardner, Darios Getahun, Michael Goodman, Timothy L Lash, Peter A Lee, Joshua May, Courtney McCracken, Maria Muzik, Suma Vupputuri, Rami Yacoub, David E Sandberg
The Journal of Clinical Endocrinology & Metabolism.2025; 110(8): e2562. CrossRef
Glucocorticoid therapy in classic congenital adrenal hyperplasia: traditional and new treatment paradigms
Irina Bancos, Hyunwoo Kim, Henry K. Cheng, Mariam Rodriguez-Lee, Helen Coope, Samantha Cicero, Hannah Goldsmith, Vivian H. Lin, George S. Jeha
Expert Review of Endocrinology & Metabolism.2025; 20(1): 33. CrossRef
Clinical Manifestations and Challenges in Adolescent and Adult Females With Classic Congenital Adrenal Hyperplasia Due to 21-Hydroxylase Deficiency
Hedvig Engberg, Anna Nordenström, Angelica Lindén Hirschberg
The Journal of Clinical Endocrinology & Metabolism.2025; 110(Supplement): S37. CrossRef
Metabolic Syndrome Spectrum in Children with Classic Congenital Adrenal Hyperplasia—A Comprehensive Review
Sanja Panic Zaric, Tatjana Milenkovic, Sladjana Todorovic, Katarina Mitrovic, Dimitrije Cvetkovic, Maja Cehic, Jelena Vekic, Katja Dumic, Rade Vukovic
Metabolites.2025; 15(2): 89. CrossRef
Long-term outcomes of congenital adrenal hyperplasia due to 21-hydroxylase deficiency: a retrospective study from a tertiary care center in Saudi Arabia
Haneen Aldalaan, Afaf Alsagheir, Nujud Alghamdi, Raghad Alhuthil, Maha Almslam, Mohamed H. Al-Hamed
Frontiers in Endocrinology.2025;[Epub] CrossRef
The epidemiology of disorders of sex development
Agnethe Berglund, Simon Chang, Marie Lind-Holst, Kirstine Stochholm, Claus Højbjerg Gravholt
Best Practice & Research Clinical Endocrinology & Metabolism.2025; 39(4): 102002. CrossRef
Causal associations between congenital adrenal hyperplasia and neuropsychiatric conditions- a Mendelian Randomization Study
Yang Liu, Xiaokun Gang, Yuan Gao, Guixia Wang
Endocrine.2025; 89(1): 291. CrossRef
Epidemiology and clinical outcomes of clinically suspected multiple endocrine neoplasia type 1 in South Korea: a nationwide cohort study
Kyoung Jin Kim, Min Heui Yu, Yoon-a Hwang, Shinje Moon, Namki Hong, Yumie Rhee
Frontiers in Endocrinology.2025;[Epub] CrossRef
Non-classical congenital adrenal hyperplasia: current insights into clinical implications, diagnosis and treatment
Paola Loli, Sara Menotti, Luigi di Filippo, Andrea Giustina
Endocrine.2025; 90(1): 1. CrossRef
Increased mortality in primary adrenal insufficiency: a systematic review and meta-analysis
Konstantinos Dalakas, Francesca Allosso, Christian Basile, Ragnhildur Bergthorsdottir, Dimitrios Chantzichristos, Eva Hessman, Bright I Nwaru, Emanuele Bobbio, Daniela Pasquali, Gudmundur Johannsson, Daniela Esposito
European Journal of Endocrinology.2025; 193(4): S53. CrossRef
Exploration of the potential of genomic editing in the treatment of congenital adrenal hyperplasia
Lara E. Graves, Sharntie Christina, Kathryn L. Mullany, Ian E. Alexander, Henrik Falhammar
Frontiers in Endocrinology.2025;[Epub] CrossRef
Long‐term health consequences of congenital adrenal hyperplasia
Riccardo Pofi, Xiaochen Ji, Nils P. Krone, Jeremy W. Tomlinson
Clinical Endocrinology.2024; 101(4): 318. CrossRef
Hyperandrogenism and Cardiometabolic Risk in Pre- and Postmenopausal Women—What Is the Evidence?
Angelica Lindén Hirschberg
The Journal of Clinical Endocrinology & Metabolism.2024; 109(5): 1202. CrossRef
Predictors of Cardiovascular Morbidities in Adults With 21-Hydroxylase Deficiency Congenital Adrenal Hyperplasia
Suranut Charoensri, Richard J Auchus
The Journal of Clinical Endocrinology & Metabolism.2024; 109(3): e1133. CrossRef
Case report: Development of central precocious puberty in a girl with late-diagnosed simple virilizing congenital adrenal hyperplasia complicated with Williams syndrome
Eun Young Joo, Myung Ji Yoo, Su Jin Kim, Woori Jang, Ji-Eun Lee
Frontiers in Endocrinology.2024;[Epub] CrossRef
Proof of concept for a superior therapeutic index of corticosterone compared with hydrocortisone in patients with congenital adrenal hyperplasia
Catriona J Kyle, Luke D Boyle, Mark Nixon, Natalie Z M Homer, Joanna P Simpson, Alison Rutter, Lynne E Ramage, Alexandra Kelman, Ellen Marie Freel, Ruth Andrew, Brian R Walker, Roland H Stimson
European Journal of Endocrinology.2024; 191(6): 535. CrossRef
Анализ распространенности и заболеваемости надпочечниковой недостаточностью в мире
М. Ю. Юкина, Н. Ф. Нуралиева, Е. А. Трошина
Ateroscleroz.2023; 18(4): 426. CrossRef
Big Data Research in the Field of Endocrine Diseases Using the Korean National Health Information Database
Sun Wook Cho, Jung Hee Kim, Han Seok Choi, Hwa Young Ahn, Mee Kyoung Kim, Eun Jung Rhee
Endocrinology and Metabolism.2023; 38(1): 10. CrossRef
Long-term cardiometabolic morbidity in young adults with classic 21-hydroxylase deficiency congenital adrenal hyperplasia
Beatrice Righi, Salma R. Ali, Jillian Bryce, Jeremy W. Tomlinson, Walter Bonfig, Federico Baronio, Eduardo C. Costa, Guilherme Guaragna-Filho, Guy T’Sjoen, Martine Cools, Renata Markosyan, Tania A. S. S. Bachega, Mirela C. Miranda, Violeta Iotova, Henrik
Endocrine.2023; 80(3): 630. CrossRef
Serum steroid profile captures metabolic phenotypes in adults with classic congenital adrenal hyperplasia
Chang Ho Ahn, Jaeyoon Shim, Han Na Jang, Young Ah Lee, Sang-Won Lee, Man Ho Choi, Jung Hee Kim
The Journal of Steroid Biochemistry and Molecular Biology.2023; 234: 106374. CrossRef
Multiplexed Serum Steroid Profiling Reveals Metabolic Signatures of Subtypes in Congenital Adrenal Hyperplasia
Jaeyoon Shim, Chang Ho Ahn, Seung Shin Park, Jongsung Noh, Chaelin Lee, Sang Won Lee, Jung Hee Kim, Man Ho Choi
Journal of the Endocrine Society.2023;[Epub] CrossRef
Long-Term Outcomes of Congenital Adrenal Hyperplasia
Anna Nordenström, Svetlana Lajic, Henrik Falhammar
Endocrinology and Metabolism.2022; 37(4): 587. CrossRef

Adrenal Gland
Adrenal Morphology as an Indicator of Long-Term Disease Control in Adults with Classic 21-Hydroxylase Deficiency: Taek Min Kim, Jung Hee Kim, Han Na Jang, Man Ho Choi, Jeong Yeon Cho, Sang Youn Kim; Endocrinol Metab. 2022;37(1):124-137. Published online February 8, 2022; DOI: https://doi.org/10.3803/EnM.2021.1278

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Background
Monitoring adults with classical 21-hydroxylase deficiency (21OHD) is challenging due to variation in clinical and laboratory settings. Moreover, guidelines for adrenal imaging in 21OHD are not yet available. We evaluated the relationship between adrenal morphology and disease control status in classical 21OHD.
Methods
This retrospective, cross-sectional study included 90 adult 21OHD patients and 270 age- and sex-matched healthy controls. We assessed adrenal volume, width, and tumor presence using abdominal computed tomography and evaluated correlations of adrenal volume and width with hormonal status. We investigated the diagnostic performance of adrenal volume and width for identifying well-controlled status in 21OHD patients (17α-hydroxyprogesterone [17-OHP] <10 ng/mL).
Results
The adrenal morphology of 21OHD patients showed hypertrophy (45.6%), normal size (42.2%), and hypotrophy (12.2%). Adrenal tumors were detected in 12 patients (13.3%). The adrenal volume and width of 21OHD patients were significantly larger than those of controls (18.2±12.2 mL vs. 7.1±2.0 mL, 4.7±1.9 mm vs. 3.3±0.5 mm, P<0.001 for both). The 17-OHP and androstenedione levels were highest in patients with adrenal hypertrophy, followed by those with normal adrenal glands and adrenal hypotrophy (P<0.05 for both). Adrenal volume and width correlated positively with adrenocorticotropic hormone, 17-OHP, 11β-hydroxytestosterone, progesterone sulfate, and dehydroepiandrosterone sulfate in both sexes (r=0.33–0.95, P<0.05 for all). For identifying well-controlled patients, the optimal cut-off values of adrenal volume and width were 10.7 mL and 4 mm, respectively (area under the curve, 0.82–0.88; P<0.001 for both).
Conclusion
Adrenal volume and width may be reliable quantitative parameters for monitoring patients with classical 21OHD.

Citations

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Automated deep learning for detection and measurement of adrenal masses in contrast-enhanced abdominal CT
Taek Min Kim, Yunna Lee, June Young Seo, Jeong Yeon Cho, Sang Youn Kim, Young-Gon Kim
European Radiology.2026;[Epub] CrossRef
Difficulty with differential diagnosis on adrenal lesions in congenital adrenal cortex dysfunction: a series of clinical cases
A. Chevais, N. V. Tarbaeva, Y. Y. Golubkina, M. M. Gadzhimuradova, K. V. Ivashchenko, D. O. Ladygina, M. V. Vorontsova, O. B. Bezlepkina, G. A. Melnichenko, N. G. Mokrysheva
Problems of Endocrinology.2025; 71(2): 22. CrossRef
Deep Learning-Based Adrenal Gland Volumetry for the Prediction of Diabetes
Eu Jeong Ku, Soon Ho Yoon, Seung Shin Park, Ji Won Yoon, Jung Hee Kim
Endocrinology and Metabolism.2025; 40(6): 991. CrossRef
Long‐term health consequences of congenital adrenal hyperplasia
Riccardo Pofi, Xiaochen Ji, Nils P. Krone, Jeremy W. Tomlinson
Clinical Endocrinology.2024; 101(4): 318. CrossRef
Landscape of Adrenal Tumours in Patients with Congenital Adrenal Hyperplasia
Mara Carsote, Ana-Maria Gheorghe, Claudiu Nistor, Alexandra-Ioana Trandafir, Oana-Claudia Sima, Anca-Pati Cucu, Adrian Ciuche, Eugenia Petrova, Adina Ghemigian
Biomedicines.2023; 11(11): 3081. CrossRef
Multiplexed Serum Steroid Profiling Reveals Metabolic Signatures of Subtypes in Congenital Adrenal Hyperplasia
Jaeyoon Shim, Chang Ho Ahn, Seung Shin Park, Jongsung Noh, Chaelin Lee, Sang Won Lee, Jung Hee Kim, Man Ho Choi
Journal of the Endocrine Society.2023;[Epub] CrossRef
Long-Term Outcomes of Congenital Adrenal Hyperplasia
Anna Nordenström, Svetlana Lajic, Henrik Falhammar
Endocrinology and Metabolism.2022; 37(4): 587. CrossRef
Congenital adrenal hyperplasia in patients with adrenal tumors: a population-based case–control study
F. Sahlander, J. Patrova, B. Mannheimer, J. D. Lindh, H. Falhammar
Journal of Endocrinological Investigation.2022; 46(3): 559. CrossRef
Fully automatic volume measurement of the adrenal gland on CT using deep learning to classify adrenal hyperplasia
Taek Min Kim, Seung Jae Choi, Ji Yeon Ko, Sungwan Kim, Chang Wook Jeong, Jeong Yeon Cho, Sang Youn Kim, Young-Gon Kim
European Radiology.2022; 33(6): 4292. CrossRef

Molecular Genetic Studies on the Human CYP21A2 Gene (1).: Byung Kiu Park, Hyang Ok Woo, Han Wook Woo; J Korean Endocr Soc. 1994;9(3):219-227. Published online November 6, 2019

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Abstract PDF: Congenital adrenal hyperplasia, especially due to steroid-12-hydroxylase(P450c21) deficiency, is one of the most common autosomal recessive inborn errors at adrenal steroidogenesis in Korean. Molecular genetic analysis has demonstrated that there are two steroid 21-hydroxylase genes, CYP21A1P and CYP21A2. The CYP21A2 gene encodes P450c21, whereas the CYP21A1P gene is a pseudogene. Since there is 98 percent homology between the CYP21A1P and CYP21A2 gene in nucleotide sequences, it has hampered the characterization of molecular defects in the CYP21A2 gene.In this study, efforts have been made to selectively PCR amplify the CYP21A2 gene and test feasibility of DNA microextraction from Guthrie card for prospective use of molecular screening. This study was also aimed at investigating deletion mutations in P450c21 deficient patients, as well as allele frequencies and average heterozygosity of exon 1 A/C polymorphism in Korean newborns. Genomic DNAs were obtained from Guthrie cards of 50 Korean newborns by microextraction method and these DNAs were analyzed by PCR-allele specific oligonucleotide(ASO) hybridization. First part of the CYP21A2 gene has been successfully amplified and digested by restriction enzyme using Taq I or Kpn I, subsequently run on 1.5% agarose gel to confirm its specificity. The anterior 1141 bp PCR product was utilized to examine the frequency and average heterozygosity of exon 1 A/C polymorphism in 100 alleles by ASO dot blot hybridization. Amplified genomic DNAs from four P450c21 deficient patients out of three families were screened by PCR to see if any one has complete deletion of the CYP21A2 gene.The results were as follows;1) The average 1230ng of genomic DNA was obtained form single semi-circled Guthrie card of 1/2 inch diameter by microextraction method, which has been successfully used for DNA analysis.2) The PCR amplified anterior 1141 bp product from the CYP21A2 gene was digested by Kpn I, generating 309 bp, 832 bp fragments, not by Taq I, indicating its specificity.3) The frequencies of exon 1 nucleotide 138 A/C polymorphism in Korean population were 0.81, 0.91 respectively, and average heterozygosity was 0.31.4) None of four P450c21 deficient patients turned out to carry complete deletion of the CYP21A2 gene based on selective PCR amplification of the CYP21A2 gene.In conclusion, dried blood spots from Guthrie card can be sued for DNA analysis because of easy sample collection, bandling, shipment, and DNA extraction feasibility. The selective PCR amplification of the CYP 21A2 gene will pave the way for molecular characterization in P450c21 deficient patients. The exon 1 A/C polymorphism can by efficiently used for molecular diagnosis of P450c21 deficiency in informative families, though it has a drawback of handling radioactive material.

Endocrine Research
Functional Identification of Compound Heterozygous Mutations in the CYP17A1 Gene Resulting in Combined 17α-Hydroxylase/17,20-Lyase Deficiency: Eun Yeong Mo, Ji-young Lee, Su Yeon Kim, Min Ji Kim, Eun Sook Kim, Seungok Lee, Je Ho Han, Sung-dae Moon; Endocrinol Metab. 2018;33(3):413-422. Published online September 18, 2018; DOI: https://doi.org/10.3803/EnM.2018.33.3.413

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Background

We previously reported a patient with congenital adrenal hyperplasia (CAH) with compound heterozygous mutations in the cytochrome P450 17A1 (CYP17A1) gene. One allele had a p.His373Leu and the other a new p.Glu383fsX36 mutation. The aim of this study was to investigate the functional properties of a new allele present in a compound heterozygote of CYP17A1.

Methods

To understand how p.His373Leu and p.Glu383fsX36 affect P450c17 enzymatic activity, wild type and mutant CYP17A1 cDNAs were cloned into flag-tagged pcDNA3 vector and introduced into human embryonic kidney cells 293T (HEK293T) cells. Protein expression levels of CYP17A1 were then analyzed. And the activities of 17α-hydroxylase and 17,20-lyase of CYP17A1 were evaluated by measuring the conversion of progesterone to 17α-hydroxyprogesterone and of 17α-hydroxypregnenolone to dehydroepiandrosterone, respectively. In addition a computer model was used to create the three-dimensional structure of the mutant CYP17A1 enzymes.

Results

Production of the p.His373Leu mutant protein was significantly lower than that of the wild type protein, and the p.Glu383fsX36 protein was hardly produced. Similarly the enzymatic activity derived from the p.His373Leu mutant vector was significantly lower than that obtained from the wild type vector, and little activity was obtained from the p.Glu383fsX36 vector. Three-dimensional modeling of the enzyme showed that p.His373 was located in region important for heme-binding and proper folding. Neither the p.His373Leu nor the p.Glu383fsX36 mutant protein formed a heme-binding structure.

Conclusion

Enzyme activity measured in both mutants disappeared completely in both 17α-hydroxylase and 17,20-lyase. This result accounts for the clinical manifestations of the patient with the compound heterozygous CYP17A1 mutations.

Citations

Citations to this article as recorded by

A rare case of 17α-hydroxylase/17, 20-lyase deficiency: Clinical and genetic findings and follow-up outcomes
Li-Zhen Dai, Hong Ma, Jian-Fang Ke, Chen-Shi Lin, Yanling Huang, Yuan Tian, Danling Chen
Women's Health.2022;[Epub] CrossRef
Novel mutations of the CYP17A1 gene in four Chinese 46,XX cases with partial 17a-hydroxylase/17,20-lyase deficiency
Yanjie Xia, Panlai Shi, Junke Xia, Huijuan Zhang, Lijun Xu, Xiangdong Kong
Steroids.2021; 173: 108873. CrossRef

Case Report

Adrenal gland
Untreated Congenital Adrenal Hyperplasia with 17-α Hydroxylase/17,20-Lyase Deficiency Presenting as Massive Adrenocortical Tumor: Su Jin Lee, Je Eun Song, Sena Hwang, Ji-Yeon Lee, Hye-Sun Park, Seunghee Han, Yumie Rhee; Endocrinol Metab. 2015;30(3):408-413. Published online August 4, 2015; DOI: https://doi.org/10.3803/EnM.2015.30.3.408

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Congenital adrenal hyperplasia (CAH) with 17α-hydroxylase/17,20-lyase deficiency is usually characterized by hypertension and primary amenorrhea, sexual infantilism in women, and pseudohermaphroditism in men. hypertension, and sexual infantilism in women and pseudohermaphroditism in men. In rare cases, a huge adrenal gland tumor can present as a clinical manifestation in untreated CAH. Adrenal cortical adenoma is an even more rare phenotype in CAH with 17α-hydroxylase/17,20-lyase deficiency. A 36-year-old female presented with hypertension and abdominal pain caused by a huge adrenal mass. Due to mass size and symptoms, left adrenalectomy was performed. After adrenalectomy, blood pressure remained high. Based on hormonal and genetic evaluation, the patient was diagnosed as CAH with 17α-hydroxylase/17,20-lyase deficiency. The possibility of a tumorous change in the adrenal gland due to untreated CAH should be considered. It is important that untreated CAH not be misdiagnosed as primary adrenal tumor as these conditions require different treatments. Adequate suppression of adrenocorticotropic hormone (ACTH) in CAH is also important to treat and to prevent the tumorous changes in the adrenal gland. Herein, we report a case of untreated CAH with 17α-hydroxylase/17,20-lyase deficiency presenting with large adrenal cortical adenoma and discuss the progression of adrenal gland hyperplasia due to inappropriate suppression of ACTH secretion.

Citations

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Three misdiagnoses before a final diagnosis of 17α-hydroxylase/17,20-lyase deficiency: A case report
Jian Li, Yangguang Lu
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Uncommon adrenal rest tumors and massive adrenal enlargement in adult with congenital adrenal hyperplasia mimicking metastasis from pleomorphic sarcoma
Pierluigi Mazzeo, Irene Tizianel, Francesca Galuppini, Marta Sbaraglia, Mattia Barbot
BMC Endocrine Disorders.2024;[Epub] CrossRef
Rare Types of Congenital Adrenal Hyperplasias Other Than 21-hydroxylase Deficiency
Mehmet İsakoca, Şenay Erdeve, Semra Çetinkaya
Journal of Clinical Research in Pediatric Endocrinology.2024;[Epub] CrossRef
Congenital adrenal hyperplasia disorder due to 17 α-hydroxylase deficiency: a case report
Yunling Tian, Lijie Hou, Shulan Xiang, Xuguang Tian, Jinhui Xu
Gynecological Endocrinology.2023;[Epub] CrossRef
Landscape of Adrenal Tumours in Patients with Congenital Adrenal Hyperplasia
Mara Carsote, Ana-Maria Gheorghe, Claudiu Nistor, Alexandra-Ioana Trandafir, Oana-Claudia Sima, Anca-Pati Cucu, Adrian Ciuche, Eugenia Petrova, Adina Ghemigian
Biomedicines.2023; 11(11): 3081. CrossRef
17α-Hydroxylase/17,20-Lyase Deficiency in 46,XY: Our Experience and Review of Literature
Madhur Maheshwari, Sneha Arya, Anurag Ranjan Lila, Vijaya Sarathi, Rohit Barnabas, Khushnandan Rai, Vishwambhar Vishnu Bhandare, Saba Samad Memon, Manjiri Pramod Karlekar, Virendra Patil, Nalini S Shah, Ambarish Kunwar, Tushar Bandgar
Journal of the Endocrine Society.2022;[Epub] CrossRef
17α-hydroxylase Deficiency Mimicking Hyperaldosteronism by Aldosterone-producing Adrenal Adenoma
Yun Kyung Cho, Hyeseon Oh, Sun-myoung Kang, Sujong An, Jin-Young Huh, Ji-Hyang Lee, Woo Je Lee
The Korean Journal of Medicine.2016; 91(2): 191. CrossRef

Review Article

ACTH-Independent Macronodular Adrenal Hyperplasia.: Livia M Mermejo, Tania L Mazzuco, Solange Grunenwald, Maria Candida B V Fragoso, Isabelle Bourdeau, Andre Lacroix; Endocrinol Metab. 2011;26(1):1-11. Published online March 1, 2011; DOI: https://doi.org/10.3803/EnM.2011.26.1.1

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Abstract PDF

ACTH-independent macronodular adrenal hyperplasia (AIMAH) is an uncommon cause of Cushing's syndrome (CS). The pathophysiology of this disorder is heterogeneous in its molecular origin and also in its clinical presentation. AIMAH can present mainly as an incidental radiological finding with sub-clinical CS or rarely with overt CS. In a few familial cases reported with AIMAH, specific aberrant G-protein coupled receptors were expressed in the adrenals of all affected members, but sporadic cases are more common. The aberrant adrenal function of G-protein coupled receptors can lead to cell proliferation and abnormal regulation of steroidogenesis. Unilateral or bilateral adrenalectomy has been the most frequently used treatment for this adrenal disorder; alternatively, the identification of aberrant receptors using in vivo protocol of investigation can offer specific pharmacological approach to control abnormal steroidogenesis and possibly prevent AIMAH progression.

Citations

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Cushing Syndrome Caused by ACTH-independent Macronodular Adrenal Hyperplasia
Yeon-Kyung Choi, In-Ryang Hwang, Jung-Bum Seo, Ji Yun Jeong, Jung-Guk Kim
The Korean Journal of Medicine.2017; 92(2): 190. CrossRef
Primary bilateral adrenal nodular disease with Cushing's syndrome: varying aetiology
Kush Dev Singh Jarial, Rama Walia, Uma Nahar, Anil Bhansali
BMJ Case Reports.2017; 2017: bcr-2017-220154. CrossRef
Multiple aberrant hormone receptors in Cushing's syndrome
Nada El Ghorayeb, Isabelle Bourdeau, André Lacroix
European Journal of Endocrinology.2015; 173(4): M45. CrossRef

Original Article

Six Cases of Congenital Adrenal Hyperplasia That Were Due to 17alpha-hydroxylase/17,20-lyase Deficiency.: Dong Hoon Shin, Sung Hoon Yu, Young Min Choi, Jung Gu Kim, Sang Wan Kim, Chan Soo Shin, Kyong Soo Park, Seong Yeon Kim; J Korean Endocr Soc. 2009;24(2):109-115. Published online June 1, 2009; DOI: https://doi.org/10.3803/jkes.2009.24.2.109

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Abstract PDF

17alpha-hydroxylase/17,20-lyase deficiency is a rare phenotype of congenital adrenal hyperplasia (CAH), and this is characterized by hyporeninemic hypertension, primary amenorrhea and abnormality of the secondary sexual characteristics (pseudohermaphroditism in men). This type of CAH is usually misdiagnosed at first as mineralocorticoid induced hypertension with primary aldosteronism, but primary amenorrhea with deficient sex hormone is a clue for making the correct diagnosis. The authors experienced 6 cases of 17alpha-hydroxylase/17,20-lyase deficiency in patients who ranged from 15 to 42 years of age. 4 cases were diagnosed according to the investigation of their mineralocorticoid-induced hypertension and 2 cases their primary amenorrhea and sexual infantilism. All of them had hypokalemia, hyporeninemic hypertension and an atrophied uterus and ovaries. In the genotypic male (46 XY), the testicles were atrophied in the abdominal cavity. The levels of cortisol, estrogen and dehydroepiandrosterone sulfate (DHEAS) were low, but the levels of progesterone and 11-deoxycorticosterone were high. Therefore, the diagnosis of 17alpha-hydroxylase/17,20-lyase deficiency should be considered in female patients who present with both sexual infantilism and mineralocorticoid hypertension. We report on these cases with a brief review of the literature.

Citations

Citations to this article as recorded by

Functional Identification of Compound Heterozygous Mutations in the CYP17A1 Gene Resulting in Combined 17α-Hydroxylase/17,20-Lyase Deficiency
Eun Yeong Mo, Ji-young Lee, Su Yeon Kim, Min Ji Kim, Eun Sook Kim, Seungok Lee, Je Ho Han, Sung-dae Moon
Endocrinology and Metabolism.2018; 33(3): 413. CrossRef
17α-hydroxylase Deficiency Mimicking Hyperaldosteronism by Aldosterone-producing Adrenal Adenoma
Yun Kyung Cho, Hyeseon Oh, Sun-myoung Kang, Sujong An, Jin-Young Huh, Ji-Hyang Lee, Woo Je Lee
The Korean Journal of Medicine.2016; 91(2): 191. CrossRef

Case Reports

A Case of Congenital Adrenal Hyperplasia Combined with a Testicular Adrenal Rest Tumor and Adrenal Incidentaloma.: Gyu Rang Cho, Hee Won Chueh, Jung Pyo Kim, Jin A Jung, Jae Ho Yoo, Sung Kook Yoon, Kyu Geun Hwang; J Korean Endocr Soc. 2007;22(5):365-370. Published online October 1, 2007; DOI: https://doi.org/10.3803/jkes.2007.22.5.365

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Abstract PDF

The fundamental defect among patients with congenital adrenal hyperplasia (CAH) due to 21-hydroxylse deficiency is the inability to synthesize cortisol and aldosterone adequately. Ineffective cortisol synthesis signals the hypothalamus and pituitary to increase the production of corticotropin releasing hormone and adrenocorticotropic hormone, respectively. Consequently, the adrenal glands become hyperplastic. It is well known that an adrenal adenoma can develop from hyperplastic tissue under increased corticotropin stimulation of the adrenal cortex in patients that are suffering with CAH. The etiologic mechanism of adrenal incidentaloma remains uncertain, but several hypotheses have been suggested. A testicular adrenal rest tumor has been reported to form in association with the excessive secretion of adrenal androgen by inadequate control after adolescence in CAH. We present a case of poorly controlled salt-losing CAH due to 21-hydroxylase deficiency combined with a testicular adrenal rest tumor and adrenal incidentaloma.

Citations

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A new compound heterozygous mutation in a female with 17α-hydroxylase/17,20-lyase deficiency, slipped capital femoral epiphysis, and adrenal myelolipoma
Fan Yang, Yongting Zhao, Jie Lv, Xia Sheng, Lihong Wang
Gynecological Endocrinology.2019; 35(5): 385. CrossRef
A case of testicular adrenal rest tumor in a male child with congenital adrenal hyperplasia
Joo Hwa Kim, Kyong Ah Yun, Choong Ho Shin, Sei Won Yang
Korean Journal of Pediatrics.2008; 51(9): 1018. CrossRef

Two Cases of Simple Virilizing Congenital Adrenal Hyperplasia with Compound Heterozygous Mutations of CYP21 Gene.: Koon Soon Kim, Yun Sun Choi, Youn Sun Bai, So Young Rha, Young Suk Jo, Minho Shong; J Korean Endocr Soc. 2007;22(4):299-304. Published online August 1, 2007; DOI: https://doi.org/10.3803/jkes.2007.22.4.299

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Abstract PDF: Steroid 21-hydroxylase deficiency is the most frequent cause of congenital adrenal hyperplasia (CAH), which is an inherited inability to synthesize cortisol. Actually, CAH is caused by mutations in the CYP21 gene encoding the steroid 21-hydroxylase enzyme. In some cases, discordance has been observed between the genotype and the phenotype. We recently experienced two cases of simple virilizing congenital adrenal hyperplasia with compound heterozygous mutations of the CYP21 gene. The patients had primary amenorrhea and showed virilization. We have described these two cases along with a review of the literature.

Original Article

A Clinical Observation on Twelve Cases of Primary Aldosteronism.: Seung Chul Cho, Yong Soo Park, Hwon Gyum Park, Sung Hee Lee, Soon Gil Kim, Woong Hwan Choi, Yu Hern Ahn, Pa Jong Jung, Tae Wha Kim; J Korean Endocr Soc. 2004;19(2):194-202. Published online April 1, 2004

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Abstract PDF: BACKGROUND
Primary aldosteronism describes a group of disorders characterized by long-standing aldosterone excess, with suppressed renin activity, resulting in hypertension and hypokalemia. The protean clinical and biochemical characteristics of this syndrome have important implications regarding its pathophysiology and responsiveness to treatment. METHODS: The cases of 12 primary aldosteronisms, diagnosed at Hanyang University Hospital between 1996 and 1999, were reviewed. RESULTS: The 12 cases were composed of 9 aldosterone-producing adenoma, 2 adrenal hyperplasia and a case of idiopathic hyperaldosteronism. There were 9 women and 3 men. The mean age was 46 yrs (range, 23 to 64 yrs). At the initial visit, the mean blood pressure was 160+/-26/104+/-14 mmHg, and one case of idiopathic hyperplasia had normal blood pressure. The mean serum K+ level was 2.6+/-0.5 mEq/L (range, 1.5 to 3.5 mEq/L). The mean plasma renin activity and plasma aldosterone concentration were 0.4+/-0.4 ng/ml/hr (range, 0.2 to 1.6 ng/ml/hr) and 407.5+/-199.8 pg/mL (range, 225 to 800 pg/mL), respectively. Different steps of diagnostic modalities were applied for the preoperative differential diagnosis. All patients, with the exception of the one with idiopathic hyperaldosteronism, were managed by a unilateral laparoscopic adrenalectomy, as they were all diagnosed under the impression of adrenal adenomas. Ultimately, 9 cases were proven to have adrenal adenomas. One hypertensive case, with hypokalemia, had adrenal hyperplasia, and the case with normotension was found to have adrenal nodular hyperplasia from the pathology. The size of the tumors ranged from 1.4 to 2.4 cm in diameter. Among the 11 cases that underwent an adrenalectomy, the blood pressures in 6 cases normalized after the operation, while the other 5, including the one with unilateral hyperplasia, were still in need of antihypertensives for the control of elevated blood pressures, even after the operation. The other case of idiopathic hyperaldosteronism was managed by the prescription of spironolactone. CONCLUSION: From these, it can be suggested that the clinical diversity of the syndrome, especially in the pathophysiology and response to operation, awaits the development of a better preoperative lateralization procedure

Case Reports

A Case of Congenital Adrenal Hyperplasia due to 11beta-Hydroxylase Deficiency.: Ohk Hyun Ryu, Hye Jin Yoo, Soo Yeon Park, Soon Beom Kwon, Sang Soo Park, Hee Young Kim, Kye Won Lee, Ji A Seo, Jeong Heon Oh, Sin Gon Kim, Nan Hee Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 2004;19(1):58-63. Published online February 1, 2004

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Abstract PDF: Congenital adrenal hyperplasia refers to a group of autosomal recessive disorders that is defective in the synthesis of cortisol. The enzymes most often affected are 21-hydroxylase and 11beta hydroxylase. The low levels of cortisol stimulate the pituitary gland to release ACTH. Chronic elevation of the ACTH level causes bilateral adrenal hyperplasia and a secondary increase in androgen formation. We examined a 19 year-old woman presented with clitoral hypertrophy and vaginal spotting. The subjects basal level of serum cortisol was low, but the serum levels of ACTH, 17a-hydroxyprogesterone, deoxy-corticosterone were elevated. The urinary excretions of 17-ketosteroids and 17-hydroxycorticosteroids were also increased. The karyotyping study and transrectal ultrasonography showed normal findings. The patient underwent clitoris reduction surgery and received hydrocortisone. To the best of our knowledge, this is the first case of 11beta-Hydroxylase deficiency in Korea.

A Case of AVP Dependent Bilateral Macronodular Adrenal Hyperplasia.: Hyun Jin Kim, Se Hwa Kim, Yu Mie Rhee, Sung Eun Kim, Chul Woo Ahn, Bong Soo Cha, Kyung Rae Kim, Hyun Chul Lee, Kap Bum Huh, Sung Kil Lim; J Korean Endocr Soc. 2002;17(4):603-609. Published online August 1, 2002

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Abstract PDF: Adrenocorticotropin (ACTH) independent bilateral macronodular adrenal hyperplasia (AIMAH) is a rare form of Cushing's syndrome, in which unique endocrinological, clinical and histopathological features have been described. In AIMAH, cortisol secretion is autonomous and independent of ACTH, thus plasma ACTH levels are persistently suppressed. Various etiological mechanisms have been proposed to explain the development of AIMAH, the development of aberrant adrenal sensitivity to gastric inhibitory polypeptide (GIP), vasopressin, beta-adrenergic receptor agonists or the presence of circulating adrenal stimulating immunoglobulins have been suggested. We report on a 46-year-old female who had Cushing's syndrome, due to AIMAH, with a positive response to vasopressin.

A Case of Bilateral Macronodular Adrenal Hyperplasia with Cushing's Syndrome Treated by Unilateral Adrenalectomy.: Si Hoon Lee, Kwang Eun Lee, Eun Seok Kang, Sang Su Chung, Dae Jung Kim, Yun Mi Jin, Bong Soo Cha, Sung Kil Lim, Hyun Chul Lee, Kap Bum Huh; J Korean Endocr Soc. 2002;17(4):596-602. Published online August 1, 2002

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Abstract PDF: In order to differentiate the causes of Cushing's syndrome; whether it is pituitary or adrenal-dependent, a high dose dexamethasone suppression test is usually performed but this does not always correlated with the imaging diagnosis. We report a case of bilateral macronodular adrenal hyperplasia, which was thought to be independent to adrenocorticotrophin (ACTH) stimulation. At first we thought it was pituitary-dependent Cushing's syndrome, due to its suppression by high dose dexamethasone. However, we found no abnormal findings on the brain sella magnetic resonance image (MRI). A significant finding, however, we found bilateral adrenal masses on the abdominal computed tomography (CT). We performed percutaneous selective adrenal venous sampling (PSAVS), and confirmed hypercortisolism of the left adrenal mass only. Therefore, we decided to remove the left adrenal gland to preserve the residual function of the right adrenal gland. After the left adrenalectomy, the patient became normotensive, and their buffalo hump disappeared, and her 24 hour urinary free cortisol level returned to normal.

A Case of Primary Amenorrhea due to 17 -Hydroxylase Deficiency.: Hong Seub Rim, Seon Hwa Lee, Jung Min Hong, Jae Hyun Nam, Hee Back Park, Chul Woo An, Do Min Ki, Sung Kil Lim, Young Duk Song, Hyun Chul Lee, Kap Bum Huh, Inn Soo Kang; J Korean Endocr Soc. 2001;16(1):130-133. Published online February 1, 2001

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Abstract PDF: 17 -Hydroxylase deficiency is a rare form of congenital adrenal hyperplasia that is characterized by primary amenorrhea, absence of secondary sex characteristics, hypertension, and a hypokalemic alkalosis that has resulted resulting from increased production of deoxycorticosterone and corticosterone by the adrenal. The diagnosis of this enzyme deficiency can be recognized by the increasing serum concentrations of steroid precursors, DOC and corticosterone and the decreasing concentrations of cortisol, and adrenal androgens. We diagnosed this in a 19 year old female who presented with primary amenorrhea. We report this case with a review of the literatures.

Original Article

A Study on the Relationship Between Genotype and Phenotype in Korean Patients with Congenital Adrenogenital Syndrome Caused by 21-hydroxylase Deficiency.: Dong Kyu Jin, Jung Sim Kim, Seung Mi Song, Sung Joon Park, He Zin Hwang, Hwa Young On, Phil Soo Oh, Si Whan Koh, Mee Ryung Uhm, Dong Hwan Lee, Jah Hoon Shin, Heon Seok Han, Hong Sik Kim, Cheol Woo Ko, Han Wook Yoo, Jin Sung Lee, Duk Hee Kim; J Korean Endocr Soc. 2000;15(2):237-247. Published online January 1, 2001

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Abstract PDF: BACKGROUND
Congenital adrenal hyperplasia (CAH) results from an inherited defect in enzymatic steps required to synthesize cortisol from cholesterol. 21-hydroxylase deficiency accounts for 95% cases of CAH. It appears that the frequency and the type of the responsible mutations differ according to the ethnic background and the type of mutation can predict the clinical outcomes such as salt losing type (SL), simple virilizing type (SV) and non-classic type (NC). METHODS: We have analyzed CYP21 genes in 55 Korean cases (110 chromosomes) of CAH by Southern blotting, PCR-dot hybridization and PCR amplification-created restriction site method. The patients include 43 cases of SL and 12 of SV. None of the NC was found. RESULTS: We found the mutations in 94% (103/110) of the examined chromosomes. A total of 10 types of mutations were discovered. The mutations include aberrant splicing of intron 2 (i2, 35%), CYP21 gene deletion (32%) and I172N (11%) in order. When the relationship between the clinical types and genotypes were correlated, most of the SL patients have either i2 (42%) or CYP21 gene deletion (41%), while SV patients have I172N (33%) or P30L (21%). The parents' mutation was investigated in 20 cases. In 4 families, one of the parents was not the obligatory heterozygote carrier i.e. did not have a mutation. The results suggest the high incidence of de novo mutation. CONCLUSION: We have identified the frequency of mutations of the CYP21 in Korean AGS patients. Our results shows that the clinical type of AGS can be predicted from the genotypes of CYP21. Also the high incidence of de novo mutation of CYP21 confirmed the genetic instability of major histocompatibility III region where the CYP21 is located.

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