Multiple Manifestations of Hypoparathyroidism

It is well known that hypoparathyroidism may present signs and symptoms of mental deficiency, neuroses or psychoses. Diverse neurological manifestations including extrapyramidal symptomatology have been noted as the only presenting signs in the absence of tetany (Fourman, et al; Kaye, et al; Greene and Swanson; Wise and Hart; Dimich, et al; Fonseca and Calverley; Sugar; Lachmann). Convulsions and increased sensitivity to dystonic reactions after the administration of phenothiazines to hypoparathyroid patients have been reported (Schaaf and Payne). The occurrence of many of these manifestations in a single patient has rarely been reported. The following case typifies such an unusual finding: