Small-cell carcinoma of the prostate with negative CD56, NSE, Syn, and CgA indicators: A case report.

Background: Small-cell carcinoma of the prostate (SCCP) is a clinically rare malignant tumor, accounting for < 1% of all prostate tumors. However, negativity for all SCCP neuroendocrine markers is rare. Herein, we report a case of SCCP with completely negative neuroendocrine markers and explore its clinicopathologic features, thus improving the understanding of its clinical diagnosis and management.

Primary adrenal diffuse large B-cell lymphoma with normal adrenal cortex function: A case report.

Background: Diffuse large B-cell lymphoma, which accounts for about approximately 30% to 40% of non-Hodgkin's lymphomas, is the most common type and is a class of aggressive B-cell lymphomas. However, diffuse large B-cell lymphomas primary to the adrenal gland are rare.

Case Summary: A 73-year-old man was admitted with abdominal pain and fatigue.