Terminal ileum carcinoid tumor

Case contributed by Maxime St-Amant
Diagnosis certain

Presentation

Acute abdominal pain

Patient Data

Age: 55 years
Gender: Male

The main finding is a heterogeneous mass involving the terminal ileum with slight focal upstream dilatation of the bowel, highly suggestive of a carcinoid tumor. Moreover, there is some fat stranding involving the root of the mesentery as well as small lymph nodes. Mesenteric metastasis are not entirely excluded; fortuitous  mesenteric panniculitis seems more probable.

Non-characterizable hepatic hypodensities are seen.

Case Discussion

The histopathological diagnosis confirmed the carcinoid tumor. Mesenteric panniculitis is classically described in the differential diagnosis of carcinoid tumor, which can present as a mesenteric desmoplastic reaction with lymphadenopathy. However, in this case, mesenteric panniculitis was considered more probable.

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