WILLIAM J. KLEIN JR., M.D.
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To the Editor: The presentation by Dr. Dunea on "Brucella Nephritis" (Ann. Intern. Med. 70: 783, 1969) was stimulating, but a common confusion about "local" and "focal" has been reinforced.
When the words local and focal are used in the description of renal histopathology, it is the accepted convention that the former refers to change in part of a glomerulus whereas the latter denotes involvement of some but not all glomeruli.
The legends for Figures 1 and 2 contain statements about focal changes in one glomerulus. Rather, this is a local change.
The legend for Figure 7 describes focal atrophy
WILLIAM J. KLEIN. GLOMERULI: LOCAL AND FOCAL. Ann Intern Med. 1969;71:1025. doi: 10.7326/0003-4819-71-5-1025_3
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Published: Ann Intern Med. 1969;71(5):1025.
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