Stomach CT Appearances
Gastric Lymphoma CT Findings
- Polypoidal mass
- Diffuse or focal infiltration
- Ulcerative lesion
- Mucosal nodularity
- Adenopathy (can extend below the renal hilum without perigastric adenopathy)
- Wall thickening (with little enhancement)
- Average 4-5cm
- Can extend into duodenum
- Nodes are usually larger in lymphoma
- Perigastric fat plane more likely to be preserved
Other Information About Gastric Lymphoma
Etiology:
- Linked to infections such as HIV, Epstein-Barr, and Hepatitis B
Epidemiology:
- Typically presents after age 40
- More common in males
Presentation:
- Abdominal pain and/or cramping
- Feeling of fullness
- Nausea and/or vomiting
- Indigestion
Prognosis:
- MALT lymphoma detected early has a 5-year relative survival rate of over 90%
- Gastric B-cell lymphoma has a poorer prognosis with a 5-year relative survival rate of 53%
Related Pearls: Gastric Lymphoma
Related Lectures:
CT Evaluation of Gastric Tumors: Pearls and Pitfalls Part 2
MDCT Evaluation of Gastric Malignancies: Pearls and Pitfalls - Part 2
CT of Lymphoma: Involvement of the GI Tract - Part 1
CT of Lymphoma: Involvement of the GI Tract - Part 2