To the Editor.
—"It seems rather pointless to argue whether a given case represents Binswanger's disease without first describing what is meant by this term. We may also agree that it is fruitless to try to match one's own cases with the original publication of Binswanger since the latter does not contain sufficient details for such a comparison."1One of the most important publications on this subject, that of Olszewski,1 was not mentioned by the authors of the recent translation2 of Binswanger's article. Although there have been several advances with computed tomography, magnetic resonance imaging, and correlative pathologic studies, Olszewski's fundamental contribution was a translation and analysis of the relevant portions of Binswanger's original article and a meticulous clinicopathologic correlation involving his own cases and those mentioned by Binswanger. Perhaps Olszewski's article was omitted by the authors on the assumption that it was adequately covered in some