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![Syndrome of inappropriate antidiuresis in prostate adenocarcinoma with neuroendocrine differentiation: a case report and literature review](https://image.oaes.cc/59af416f-97ad-49ec-8baa-e48ecabb68bb/3177.fig.1.jpg)
Figure 1. A: Prostate biopsy extensively involved by acinar adenocarcinoma with NE differentiation (5%) at low magnification (hematoxylin and eosin-H&E); B: prostate biopsy with solid area of adenocarcinoma at high magnification (H&E); C: prostate biopsy with diffuse positivity for prostate specific membrane antigen (PSMA, immunohistochemistry); D: prostate biopsy with focal positivity for synaptophysin (immunohistochemistry)