Endocrinology and Metabolism

Young Bae Sohn (Sohn YB)

2 Articles

Calcium & Bone Metabolism
Updates on Paget’s Disease of Bone: Yong Jun Choi, Young Bae Sohn, Yoon-Sok Chung; Endocrinol Metab. 2022;37(5):732-743. Published online October 25, 2022; DOI: https://doi.org/10.3803/EnM.2022.1575

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Paget’s disease of the bone is a prevalent bone disease characterized by disorganized bone remodeling; however, it is comparatively uncommon in East Asian countries, including China, Japan, and Korea. The exact cause still remains unknown. In genetically susceptible individuals, environmental triggers such as paramyxoviral infections are likely to cause the disease. Increased osteoclast activity results in increased bone resorption, which attracts osteoblasts and generates new bone matrix. Fast bone resorption and formation lead to the development of disorganized bone tissue. Increasing serum alkaline phosphatase or unique radiographic lesions may serve as the diagnostic indicators. Common symptoms include bone pain, bowing of the long bones, an enlarged skull, and hearing loss. The diagnosis is frequently confirmed by radiographic and nuclear scintigraphy of the bone. Further, bisphosphonates such as zoledronic acid and pamidronate are effective for its treatment. Moreover, biochemical monitoring is superior to the symptoms as a recurrence indicator. This article discusses the updates of Paget’s disease of bone with a clinical case.

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Effects of Erythropoietin-Promoted Fracture Healing on Bone Turnover Markers in Cats
Radina Vasileva, Tsvetan Chaprazov, Aneliya Milanova
Journal of Functional Biomaterials.2024; 15(4): 106. CrossRef
Newly Diagnosed Monostotic Paget’s Disease of Bone during Living Kidney Donor Candidate Evaluation
Diana Jędrzejuk, Paweł Poznański, Paweł Szewczyk, Oktawia Mazanowska, Marek Bolanowski, Magdalena Krajewska, Dorota Kamińska
Biomedicines.2023; 11(2): 401. CrossRef
Paget's disease of bone in the patient presented with a bowed leg
Mehrzad Hajialiloo, Sepideh Tahsini Tekantapeh
Clinical Case Reports.2023;[Epub] CrossRef

A Case of CATCH22 Syndrome with Normal Parathyroid Function.: Min Jeong Lee, So Yeon An, Chang Bum Bae, Young Bae Sohn, Yoon Sok Chung; Endocrinol Metab. 2012;27(2):151-154. Published online June 20, 2012; DOI: https://doi.org/10.3803/EnM.2012.27.2.151

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Abstract PDF

CATCH 22 is a medical acronym for cardiac defects, abnormal faces, thymic hypoplasia, cleft palate, and hypocalcemia, and a variable deletion on chromosome 22. It includes DiGeorge syndrome, conotruncal anomaly face syndrome, and velo-cardio-facial syndrome. It has a prevalence estimated at 1:3,000-1:6,000. Most deletions occur at de novo, but autosomal dominant inheritance is observed in 6-10% of cases. Hormonal disorders are common in patients with CATCH22 syndrome. While hypoparathyroidism was the predominant endocrine disturbance that has been documented in the DiGeorge syndrome, other hormonal defects, such as growth hormone deficiency, hypothyroidism, and hyperthyroidism have been occurred in patients with CATCH22 syndrome. The spectrum of parathyroid gland dysfunction in this syndrome ranges from severe neonatal hypocalcemia to normal parathyroid function. Most patients are usually diagnosed in young age, but a few patients with mild abnormality are presented later in life. We report a case of CATCH22 syndrome with normal parathyroid hormone and calcium level in an adult. The diagnosis of CATCH22 syndrome was confirmed by fluorescence in situ hybridization analysis.

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A Case of CATCH22 Syndrome Diagnosed in Postmenopausal Woman
Seung Kyung Lee, Min Jeong Lee, Hyo Jin Lee, Bu Kyung Kim, Young Bae Sohn, Yoon-Sok Chung
Journal of Bone Metabolism.2013; 20(1): 57. CrossRef

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