POU2F3-positive neuroendocrine carcinoma of the urinary bladder showing basaloid morphology: expanding the morphologic spectrum of tuft cell-like carcinoma.

POU2F3 defines tuft cell-like carcinomas, yet POU2F3-driven neuroendocrine neoplasia in the urinary bladder remains incompletely characterized and can morphologically mimic basaloid carcinomas. We report a case of an octogenarian woman with a diverti…

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