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The Role of Anatomical Dissection in Defining Colic and Small Bowel Artery Lymphovascular Bundles in the D3 Volume of Small and Large Bowel Mesentery

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Lymphoma presenting as small bowel obstruction: A case report.

K Imrani¹, A Lahfidi¹, L Belkouchi¹

¹National Institute of Oncology, Mohammed V University, Rabat, Morocco.

Radiology Case Reports

|January 1, 2021

Summary

Small bowel lymphoma can present unusually with pseudoaneurysmal intestinal dilatation, a rare cause of bowel obstruction. This CT finding, alongside thickened loops and lymphadenopathy, aids diagnosis.

Keywords:

Lymphoma-small bowel-obstruction

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Area of Science:

Gastroenterology
Oncology
Radiology

Background:

Small bowel lymphoma represents 10%-30% of gastrointestinal tumors.
Clinical presentation is often non-specific, complicating early diagnosis.
Computed Tomography (CT) is crucial for diagnosis, revealing characteristic signs.

Observation:

The case involved a 73-year-old male presenting with symptoms of bowel obstruction.
The underlying cause was identified as small bowel lymphoma.
A rare CT finding of pseudoaneurysmal intestinal dilatation was observed.

Findings:

CT scans demonstrated characteristic lymphoma appearances: wall thickening, lymphadenopathy, and mesenteric fat infiltration.
Pseudoaneurysmal intestinal dilatation, an uncommon manifestation, was present.
This dilatation led to a bowel obstruction, a critical medical emergency.

Implications:

Pseudoaneurysmal intestinal dilatation should raise suspicion for lymphoma, particularly when accompanied by other typical CT findings.
Prompt diagnosis and management are essential due to the potential for bowel obstruction.
This case highlights the importance of recognizing rare presentations of small bowel lymphoma.