[Thyrocalcitonin-secreting carcinoid].
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Biomedical subjects
Publications and source records attributed to J P Raymond.
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One case of chronic hypocalcemia and hyperphosphatemia, with an adult coeliac disease, hight P.T.H. level, very low rate of cyclic A.M.P. in urine, and normal rate of cyclid A.M.P. in plasma is described. It is the question of the pseudohypoparathyroidism acquirec as a result of an adult coeliac disease, because of after seven months of diet without gluten the clinical and biological improvement was observed with the increase of the cyclic-AMP clearance into the normal level and its great reactivity on the administration of exogenous PTH. We think to bring an additional analysis of the trouble of renal receptivity to parathyroid hormone.
The P.T.H. radioimmunoassay was done in 38 cases of suspected H.P.T. In confirmed primary H.P.T., the dosage was in positive correlation in 75% of cases; the classic metabolic exploration was in good correlation in 81% of cases. The specificity of the dosage is good but the defect of correlation comes from the antiserum utilised which recognizes the NH2-terminal region of human P.T.H.
The dosage of calcitonin was done in 13 thyroid carcinoma and 71 begnin thyroid tumors. In one case, the preoperative diagnosis of medullary thyroid carcinoma (M.T.C.) was alloved; in one another case of M.T.C. the repeatted dosage allows the evolution survey and the exploration of the family; in a third case, the dosage allows to doubt the diagnosis of M.T.C. in post-mortem. In 71 cases of begnin thyroid tumors, the calcitonin immunoassay is in the normal range. The interest and limits of the preoperative dosage was drawn of this experience.
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