Pseudohypoparathyroidism classification
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mazia Fatima, MBBS [2]
Overview
Pseudohypoparathyroidism(PTH) is classified based on the measurement of serum and urinary cAMP and phosphate excretion levels after the injection of biologically active parathyroid hormone into pseudohypoparathyroidism type I and pseudohypoparathyroidism type II.
Classification
- Pseudohypoparathyroidism is classified based on the measurement of serum and urinary cAMP and phosphate excretion levels after the injection of biologically active parathyroid hormone into following types:[1]
- Pseudohypoparathyroidism type I
- Pseudohypoparathyroidism type II
- Pseudohypoparathyroidism type 1 is further classified into following subtype:[1]
- Pseudohypoparathyroidism type 1a
- Pseudohypoparathyroidism type 1b
- Pseudohypoparathyroidism type 1c
- Pseudopseudohypoparathyroidism
- Other forms of parathyroid hormone resistance include :
- Blomstrand Syndrome
- Acrodysostosis type 1
- Acrodysostosis type 2