LOUIS HAENEL, D.O.; LEONARD J. KRYSTON, M.D.; LEWIS C. MILLS, M.D., F.A.C.P.
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To the editor: We have reviewed our cases of primary hyperparathyroidism from 1972 to the present. A positive chloride: phosphate ratio (Cl/PO4) of more than 33, as indicated in the brief communication by Palmer, Nelson, and Bacchus in the February issue (Ann Intern Med 80:200-204, 1974) was found in 7 of our 11 proved cases (Table 1) of primary hyperparathyroidism without renal
disease. Six of these patients had one or more parathyroid adenomas; the seventh had parathyroid hyperplasia. Four other patients with histopathologically proved primary hyperparathyroidism (two with adenomas and two with hyperplasia) had Cl/PO4 ratios that were less than
HAENEL L, KRYSTON LJ, MILLS LC. Chloride: Phosphate and Hypercalcemia. Ann Intern Med. ;81:270–271. doi: 10.7326/0003-4819-81-2-270_2
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Published: Ann Intern Med. 1974;81(2):270-271.
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