PMC5491487_01
A (axial view) B (coronal view), left lower quadrant mesenteric mass containing fluid collection and air locules, measuring 6.6 x 6.1 cm and about the cephalad and lateral component 6.6 x 6.9 cm. (long white arrow points to tumor, and short white arrow points to fistula track).
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He presented to the community hospital where the CT again showed an intra-abdominal abscess containing air within the mesentery mass (Fig 1).
A (gross specimen), B (Formalin fixed specimen). A portion of small intestine in relation to mesenteric fibromatosis with a fistula formation (black arrow points to the fistula track).
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All margins were negative with the closest deep posterior margin 2 mm away from the tumor (Fig 2).
A. Fibromatosis with fistula tract into the tumor lined by granulation tissue with inflammation. (white arrow points to the fistula track) B. The fascicles of tumor infiltrate into the mesenteric fat. C. The tumor is composed of broad fascicle of uniform fibroblasts associated with undulating collagen fibers.
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The fascicles of the tumor infiltrated into the mesenteric fat, and the fistula tract into the tumor was lined by granulation tissue (Fig 3).