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Pseudohypoparathyroidism type 1C

ORPHA:79444· ICD-10 E20.1

Definition

Pseudohypoparathyroidism type 1c (PHP1c) is a rare type of pseudohypoparathyroidism (PHP) characterized by resistance to parathyroid hormone (PTH) and other hormones, which manifests with hypocalcemia, hyperphosphatemia and elevated PTH levels, a constellation of clinical features collectively termed Albright's hereditary osteodystrophy (AHO), but normal activity of the stimulatory protein G (Gs alpha).

Prevalence
Unknown
Inheritance
Autosomal dominant
Age of onset
Childhood, Infancy, Neonatal