Pseudohypoparathyroidism

Pseudohypoparathyroidism (PHP) is a condition where there is end-organ resistance to parathyroid hormone (PTH).

Pathology

Subtypes

There are several recognised subtypes which include:

  • type I: abnormal cAMP response to PTH stimulation
  • type II: normal cAMP response to PTH stimulation
Markers
  • parathyroid hormone level: high
  • serum phosphate level: high
  • serum calcium level: low  

Radiographic features

Musculoskeletal manifestations
CNS / head and neck manifestations

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Article Information

rID: 10836
Section: Pathology
Synonyms or Alternate Spellings:
  • Pseudohypoparathyroidism (PHP)
  • PHP

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