- Clinical Study
- Genetic Analysis and Clinical Characteristics of Hereditary Pheochromocytoma and Paraganglioma Syndrome in Korean Population
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Heewon Choi, Kyoung Jin Kim, Namki Hong, Saeam Shin, Jong-Rak Choi, Sang Wook Kang, Seung Tae Lee, Yumie Rhee
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Endocrinol Metab. 2020;35(4):858-872. Published online December 23, 2020
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DOI: https://doi.org/10.3803/EnM.2020.683
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 Abstract
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- Background
Pheochromocytoma and paragangliomas (PPGL) are hereditary in approximately 30% to 40% cases. With the advancement of genetic analysis techniques, including next-generation sequencing (NGS), there were attempts to classify PPGL into molecular clusters. With NGS being applied to clinical settings recently, we aimed to review the results of genetic analysis, including NGS, and investigate the association with clinical characteristics in Korean PPGL patients.
Methods
We reviewed the medical records of PPGL patients who visited Severance hospital from 2006 to 2019. We documented the clinical phenotype of those who underwent targeted NGS or had known germline mutations of related genes.
Results
Among 57 PPGL patients, we found 28 pathogenic germline mutations of susceptibility genes. Before the targeted NGS was implemented, only obvious syndromic feature lead to the Sanger sequencing for the specific genes. Therefore, for the exact prevalence, only patients after the year 2017, when targeted NGS was added, were included (n=43). The positive germline mutations were found in 14 patients; thus, the incidence rate is 32.6%. Patients with germline mutations had a higher likelihood of family history. There were significant differences in the type of PPGLs, percentage of family history, metastasis rate, presence of other tumors, and biochemical profile among three molecular clusters: pseudohypoxic tricarboxylic acid cycle-related, pseudohypoxic von Hippel-Lindau (VHL)/endothelial PAS domain-containing protein 1-related, and kinase-signaling group. Germline mutations were identified in seven PPGL-related genes (SDHB, RET, VHL, NF1, MAX, SDHA, and SDHD).
Conclusion
We report the expected prevalence of germline mutations in Korean PPGL patients. NGS is a useful and accessible tool for genetic analysis in patients with PPGLs, and further research on molecular classification is needed for precise management.
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Citations
Citations to this article as recorded by  - Patient Sex and Origin Influence Distribution of Driver Genes and Clinical Presentation of Paraganglioma
Susan Richter, Nicole Bechmann
Journal of the Endocrine Society.2024;[Epub] CrossRef - Novel and recurrent genetic variants of VHL, SDHB, and RET genes in Chinese pheochromocytoma and paraganglioma patients
Chong Li, Jingyi Li, Chao Han, Ting Wang, Lixia Zhang, Zhifang Wang, Tingting Wang, Lijun Xu, Guangzhao Qi, Guijun Qin, Xialian Li, Lili Zheng
Frontiers in Genetics.2023;[Epub] CrossRef - Genetic Study in Pheochromocytoma: Is It Possible to Stratify the Risk of Hereditary Pheochromocytoma?
Marta Araujo-Castro, César Mínguez Ojeda, Iñigo García Sanz, Maria Calatayud, Felicia Hanzu, Mireia Mora, Almudena Vicente, Concepción Blanco Carrera, Paz de Miguel Novoa, María del Carmen López García, Cristina Lamas, Laura Manjón-Miguélez, María del Cas
Neuroendocrinology.2023; 113(6): 657. CrossRef - The Role of VHL in the Development of von Hippel-Lindau Disease and Erythrocytosis
Petra Hudler, Mojca Urbancic
Genes.2022; 13(2): 362. CrossRef - Bilateral Pheochromocytoma with Germline MAX Variant without Family History
Shinnosuke Hata, Mai Asano, Hiroyuki Tominaga, Masahide Hamaguchi, Fumiya Hongo, Takeshi Usui, Eiichi Konishi, Michiaki Fukui
Clinics and Practice.2022; 12(3): 299. CrossRef - Diagnosis for Pheochromocytoma and Paraganglioma: A Joint Position Statement of the Korean Pheochromocytoma and Paraganglioma Task Force
Eu Jeong Ku, Kyoung Jin Kim, Jung Hee Kim, Mi Kyung Kim, Chang Ho Ahn, Kyung Ae Lee, Seung Hun Lee, You-Bin Lee, Kyeong Hye Park, Yun Mi Choi, Namki Hong, A Ram Hong, Sang-Wook Kang, Byung Kwan Park, Moon-Woo Seong, Myungshin Kim, Kyeong Cheon Jung, Chan
Endocrinology and Metabolism.2021; 36(2): 322. CrossRef - Prevalence of Germline Variants in a Large Cohort of Japanese Patients with Pheochromocytoma and/or Paraganglioma
Masato Yonamine, Koichiro Wasano, Yuichi Aita, Takehito Sugasawa, Katsutoshi Takahashi, Yasushi Kawakami, Hitoshi Shimano, Hiroyuki Nishiyama, Hisato Hara, Mitsuhide Naruse, Takahiro Okamoto, Tadashi Matsuda, Shinji Kosugi, Kazuhiko Horiguchi, Akiyo Tanab
Cancers.2021; 13(16): 4014. CrossRef - Recurrent Germline Mutations of CHEK2 as a New Susceptibility Gene in Patients with Pheochromocytomas and Paragangliomas
Yinjie Gao, Chao Ling, Xiaosen Ma, Huiping Wang, Yunying Cui, Min Nie, Anli Tong, Dario De Biase
International Journal of Endocrinology.2021; 2021: 1. CrossRef
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