Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5664473 | Surgical Pathology Clinics | 2017 | 21 Pages |
Abstract
Although clinical history and morphologic appearance should be the initial considerations when evaluating small round blue cell tumors of the sinonasal tract, the final diagnosis often hinges on immunohistochemical findings. Unfortunately, interpretation of stains in these tumors is fraught with numerous pitfalls and limitations. This article presents an approach to sinonasal small round blue cell tumors based on four common immunohistochemical patterns: cytokeratin positivity, squamous marker positivity, neuroendocrine marker positivity, and cytokeratin negativity.
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Authors
Lisa M. MD, Justin A. MD,