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Background
The micropapillary variant of urothelial carcinoma (MPVUC) is rare and aggressive. Surgical specimens often show atypical micro‐clusters (AMCs) of cells with hyperchromatic, pyknotic, peripheral, irregular nuclei with variable nuclear to cytoplasmic ratios. We reviewed urinary tract cytology (UTC) from patients with MPVUC and hypothesized that AMCs would be present similar to those in...
ALK‐negative anaplastic large cell lymphoma (ALCL) is an aggressive non‐Hodgkin T‐cell lymphoma. Compared to ALK‐positive ALCL, patients with ALK‐negative ALCL typically are older, present with nodal disease, and have lower survival rates. We report a unique presentation of ALK‐negative ALCL in a pleural fluid. Cell block preparation enabled both confirmation of the diagnosis via immunohistochemical...
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