PMC9892685_01
Coronal T2-weighted image through the abdomen demonstrates focal segmental increased wall thickness of the jejunum (white arrows) with proximally distended loop (asterisks) as the result of partial bowel obstruction.
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F1
Additionally, an enlarged lymph node was seen on the posterior aspect of the greater curvature of the stomach (Fig. 1).
An ill-defined mass in the jejunal wall measuring 4 x 3 x 2 cm.
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F2
The tumor was invaded lamina propria, submucosa, muscularis propria, subserosa, serosa, and peri-intestinal fat, while regional lymph nodes were grossly free of tumor (Fig. 2).
a-c Sections from jejunal mass show diffuse infiltration of atypical cells with high N/C ratio and hyperchromatic nuclei (in three powers by H and E stain).
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F3
These cells mostly had clear to eosinophilic cytoplasm (Fig. 3).