HRPT2- (CDC73) RELATED HEREDITARY HYPERPARATHYROIDISM: A CASE SERIES FROM WESTERN INDIA
2015
ABSTRACT Objective: To describe a case series of HRPT2- (CDC73) related hereditary primary hyperparathyroidism (PHPT) from western India. Methods: We present a case series of 4 families (7 patients) with PHPT caused by CDC73 gene mutations. Results: The mean age of presentation of the 4 index cases was 27.25 ± 9.8 years. Two family members were identified through biochemical screening (Cases 1b and 2b), while 1 mutation-positive family member did not manifest any features of PHPT or hyperparathyroidism jaw tumor syndrome (HPT-JT) syndrome (Case 2c). Biochemistry showed increased serum calcium (mean: 13.21 ± 1.24 mg/dL), low serum phosphorus (mean: 1.78 ± 0.44 mg/dL), and high parathyroid hormone (PTH, mean: 936 ± 586.9 pg/mL). All patients had a uniglandular presentation and underwent single adenoma excision initially except Cases 2a and 2b, who underwent subtotal parathyroidectomy at baseline. Two cases experienced PHPT recurrence (Cases 3 and 4), while 1 remained uncured due to parathyroid carcinoma (Ca...
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