In 1942 Albright and Burnett¹⁾ described a group of patients who have a round face, short stature, shortening of metacarpals and metatarsals, ectopic ossifications, with elevated serum phosphorus and low serum calcium values as the term pseudohypoparathyroidism (referred to as "PH" here-after) and differentiated it from idiopathic hypoparathyroidism.
Difference was the failure to respond with a phosphate diuresis to parenteral administration of parathyroid extract. Ten years later the designation of pseudopseudohypoparathyroidism (referred to as "PPH" here-after) was introduced by Albright, Forbes, and Henneman²⁾ to the patients who had most of the clinical features of PH but in whom the values for serum phosphorus and serum calcium were normal.
Since 1952, many PPH cases were reported throughout the world, and 78 cases, including 18 males, 56 females and 4 unknown sex distinction, were reported in Western countries.
In Japan, however, there is only one report of Morisaki et al.³⁾ in 1967.
Authors had an opportunity to observe a young girl who had features of PPH and PH.

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According to the present concept, the homeostatic regulation of serum proteins is maintained by the mechanism of the "dynamic equilibrium of body proteins", proposed by Whipple, in which the balance between incessant biosynthesis and catabolism of proteins as well as the movements of depot proteins to and from extravascular pool and intravascular space are known to play the important roles.
Of many conditions characterized by dysproteinemia due to disturbances of homeostatic regulation of plasma proteins, the most characteristic are dysproteinemia in diseases of the liver, dysproteinemia in renal diseases and cachexic state due to malignancy.

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