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Case Report
Identification of a novel mutation in a patient with pseudohypoparathyroidism type Ia
Ye Seung Lee, Hui Kwon Kim, Hye Rim Kim, Jong Yoon Lee, Joong Wan Choi, Eun Ju Bae, Phil Soo Oh, Won Il Park, Chang Seok Ki, Hong Jin Lee
Clin Exp Pediatr. 2014;57(5):240-244.   Published online May 31, 2014

Pseudohypoparathyroidism type Ia (PHP Ia) is a disorder characterized by multiform hormonal resistance including parathyroid hormone (PTH) resistance and Albright hereditary osteodystrophy (AHO). It is caused by heterozygous inactivating mutations within the Gs alpha-encoding GNAS exons. A 9-year-old boy presented with clinical and laboratory abnormalities including hypocalcemia, hyperphosphatemia, PTH resistance, multihormone resistance and AHO (round face, short stature, obesity, brachydactyly...

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