Small Cell Prostate Carcinoma: A Case Report and Review of the Literature

Figure 3

Observed structures, all of which were of tumoral quality. Patchy vascular structures were apparent. Frequent mitotic activities were present. Tumor cells consisted of atypical cells with uniform nuclei and narrow cytoplasm, and some with vesicular nuclei. Immunohistochemical studies showed a positive staining with chromogranin (brown areas).