Ectopic Calcification as Discernible Manifestation in Neonates with Pseudohypoparathyroidism Type 1a

Author:

Adachi Masanori1,Muroya Koji1,Asakura Yumi1,Kondoh Yoichi2,Ishihara Jun3,Hasegawa Tomonobu4

Affiliation:

1. Department of Endocrinology & Metabolism, Clinical Research Institute, Kanagawa Children's Medical Center, Yokohama 232-8555, Japan

2. Department of Pediatrics, Matsuyama Red Cross Hospital, Matsuyama 790-8524, Japan

3. Department of Pediatrics, Yokohama Municipal Citizen's Hospital, Yokohama 240-8555, Japan

4. Department of Pediatrics, Medical School Keio University, Tokyo 160-8582, Japan

Abstract

The diagnosis of pseudohypoparathyroidism type 1a (PHP1a) is challenging, because both the osteodystrophy, such as brachydactyly and round face, and the symptomatic hypocalcemia usually develop beyond infancy. Although ectopic calcification may be an early sign of PHP1a, there are no systematic reviews regarding the time of its appearance. We here report on two PHP1a patients who presented with subcutaneous calcification in neonatal period.

Publisher

Hindawi Limited

Subject

Endocrine and Autonomic Systems,Endocrinology,Endocrinology, Diabetes and Metabolism

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