PMC5094289_01
(A-C): CT angiogram of abdomen and pelvis demonstrating a large intra-abdominal mass with vascular supply from the superior mesenteric artery.
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This showed a large mass filling the entire abdomen and displacing the bowel with a vascular supply from the superior mesenteric artery (SMA) (Fig. 1A-C).
(A) Intra-operative view of intra-abdominal desmoid tumor with adherent portion of small bowel. (B) Desmoid tumor after surgical resection.
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This demonstrated that the mass originated from the distal small bowel mesentery and a loop of small bowel was adherent to and inseparable from the mass (Fig. 2A). The mass measured 30 cm x 24 cm x 16 cm (Fig. 2B).
The tumor consists of bland spindle cells with abundant fibrotic stroma. There is minimal mitotic activity (Hematoxylin & Eosin Stain, bar = 300 mum).
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