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CT scan images of the patient's abdomen and pelvis. (A) Bilateral hydronephrosis. (B) Extensive disease dissemination with lymph node involvement.
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A non-contrast Computed Tomography (CT) performed showed bilateral hydronephrosis, multiple diffuse enlarged pelvic and abdominal lymph nodes and a mixture of osteoblastic/osteolytic bone lesions throughout the spine (Fig. 1).
Haematoxylin and eosin stain demonstrating small cells infiltrating muscle. Characteristically, the cells have fine granular chromatin and scant cytoplasm.
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Histopathology specimens confirmed a diagnosis of high grade small cell prostate carcinoma without any evidence of coexisting urothelial carcinoma or prostatic adenocarcinoma (Fig. 2, Fig. 3).