科研之友
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摘要
several dermatoses are considered idiopathic diseases. many times lesions such as erythema nodosum or erythema multiformis, for example, cannot have their etiology defined. human infection caused by bartonella spp. may determine several clinical syndromic expressions. starting with a clinically, histologically and ultrastructurally documented bacillary angiomatosis case, a review of medical literature was undertaken to evaluate the available diagnostic criteria regarding infection caused by these agents. histological evaluations were concluded to be, practically speaking, an important and useful diagnostic method, especially when serology is not available.
