PMC7493805_01
MR Abdomen and pelvis with contrast demonstrating 31 x 25 cm intra-peritoneal mass.
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F1
Imaging showed the presence of a 31 x 25 x 12 cm homogeneous intraperitoneal/mesenteric mass with internal vascularity that occupied the majority of the abdominal cavity with mass effect on the adjacent bowel loops and intrabdominal organs (Figure 1).
CT Angiogram arrow showing deviation of superior mesenteric artery to the left secondary to mass effect from large intra-abdominal mass. The 2nd branch of the SMA favored to represent the right colic branch courses anteriorly into and throughout the mass.
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F2
The vascular pedicle for the tumor was noted to arise from a distal branch of the SMA near the ileocolic region while sparing the remainder of the surrounding vasculature (Figure 2).
Coronal MR abdomen and pelvis at 3 month follow-up showing no recurrence.
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F3
His 3-months surveillance MRI showed no residual or recurrent lesion (Figure 3).