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Classification & external resources
ICD-10 E20.1
ICD-9 275.49
DiseasesDB 10835 10851
MedlinePlus 000364
eMedicine med/1940 
MeSH D011547

Pseudohypoparathyroidism is a condition caused by resistance to the parathyroid hormone. Patients have a low serum calcium and high phosphate, but the parathyroid hormone level is appropriately high.

  • Type 1a pseudohypoparathyroidism has a characteristic phenotypic appearance (Albright's hereditary osteodystrophy), including short fourth and fifth metacarpals and a rounded facies.
  • Type 1b pseudohypoparathyroidism lacks the physical appearance of type 1a, but is biochemically similar.

The term pseudopseudohypoparathyroidism is used to describe a condition where the individual has the phenotypic appearance of pseudohypoparathyroidism type 1a, but is biochemically normal.



See also

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Pseudohypoparathyroidism". A list of authors is available in Wikipedia.
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