Figure 1
From: Non-prostatic pathology on prostate needle-biopsy – colorectal carcinoid: a case report
Rectal mucosa (haematoxylin-eosin, ×40) with a carcinoid within the muscularis mucosae, characterised by a proliferation of nests, glands and strands of non-atypical epithelial cells (A), which demonstrate expression of synaptophysin (B).