"No insensitivity to PTH
Has the phenotypic appearance Albrights
but is biochemically normal.
It is sometimes considered a variant of Albright hereditary osteodystrophy.
Pseudo-pseudohypoparathyroidism and pseudohypoparathyroidism both involve the same GNAS gene
but pseudo-pseudohypoparathyroidism has normal calcium homeostasis because of the normal
maternal allele in the kidney"