Albright's hereditary osteodystrophy is a rare inherited metabolic disorder characterized by a typical phenotype. It may be associated with or without resistance to parathyroid hormone (pseudohypoparathyroidism). Both forms may co-exist in the same family. Pseudohypoparathyroidism Type 1 and Pseudo-pseudohypoparathyroidism occur as a consequence of reduced erythrocyte membrane coupled with Gs a...