科研之友
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摘要
the differential diagnosis between small cell variant of squamous carcinoma and small cell carcinoma is not always simple. despite the fact that studies show the former keeps its morphologic characteristics and focal squamous differentiation, the scarcity of the material as well as frequent fixation artifacts in these biopsies may hinder analysis. however, this differentiation between them may change significantly the choice of therapeutic approach and, in some cases, influence prognosis. in this paper, we draw attention to this problem and suggest a immunohistochemical panel to facilitate this differential diagnosis.
