DIDIER HAUGLUSTAINE, M.D.; WILLY BOLLENS, Lab. Techn.; PAUL MICHIELSEN, M.D.
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To the editor: In a recent editorial Morrin reminds us of the importance of microscopic examination of freshly voided urine in detecting a glomerulopathy (1). He emphasizes a careful search for erythrocyte or heme casts, although these structures frequently occur in low numbers and may be overlooked, even with the use of phase-contrast microscopy.
Morrin did not mention recent studies showing that more simple observations of the morphologic features of the urinary erythrocytes may help identify the origin of hematuria. In glomerular disease erythrocytes are dysmorphic; in nonglomerular disease they present a more conventional shape (2). In a blind controlled
HAUGLUSTAINE D, BOLLENS W, MICHIELSEN P. Urinary Erythrocytes and Glomerular Disease. Ann Intern Med. ;98:1027–1028. doi: 10.7326/0003-4819-98-6-1027
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Published: Ann Intern Med. 1983;98(6):1027-1028.
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