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Diagnosis: Gastric lymphoma (Burkitt’s lymphoma)

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1 Diagnosis: Gastric lymphoma (Burkitt’s lymphoma)
Primary Gastric Lymphoma 1%-5% of all gastric malignancies Most common site of extranodal lymphoma accounting for 50% - 70% of all primary GI lymphomas Burkitt’s lymphoma Aggressive form of B-cell lymphoma Usually found in children or immunocompromised adults Usually ileocecal mass or thickened folds and narrowing in the distal ileum Rare in the stomach or colon

2 Primary gastric lymphoma
CT findings Marked thickening of gastric wall (2~4cm) with low contrast enhancement Extensive lateral extension of tumor due to submucosal spread Rare gastric outlet obstruction Preserved perigastric fat plane Extensive nodal enlargement is often seen. Features favoring lymphoma rather than adenocarcinoma Preservation of the perigastric fat planes, particularly in the presence of a bulky tumor Gastric lumen is preserved without gastric outlet obstruction. Transpyloric spread is more common than carcinoma Infrarenal bulky lymph nodes

3 References RadioGraphics 2014;34: RadioGraphics 2007;27: Am J Roentgenology 2002;179(5):


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