JEFFREY R. FISHER, M.D.
To the editor: Mir and associates (1) have reported on the frequent association of hypokalemia and acute myeloid leukemia with unexplained renal potassium (K) loss. In a subsequent letter Yeung and Trowbridge (2) noted the prevalence of low serum K in chronic granulocytic leukemia. Both groups of authors review the possible causes of hypokalemia in acute leukemia, but make no mention of direct renal involvement by the leukemic process as a potential cause. Renal leukemic infiltrates are frequently seen at postmortem examination (3) but hypokalemia has not been reported in acute lymphoblastic leukemia. During the past year we have seen
FISHER JR. Hypokalemia in Leukemia. Ann Intern Med. ;86:363–364. doi: 10.7326/0003-4819-86-3-363
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Published: Ann Intern Med. 1977;86(3):363-364.
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