Plexiform fibromyxoma of the small bowel: A case report

Figure 1 Capsule endoscopy revealed a protuberant lesion in the upper segment of the jejunum; the margin of which was unclear. Ulceration was found at the top (arrow).

Figure 2 Results of single balloon colonoscopy. A protuberant lesion in the upper segment of the jejunum. Ulceration was found at the top.

Figure 3 The diagnosis of small intestinal plexiform fibromyxoma. A: Myxoid nodules and extensive hemorrhagic areas. The stroma was rich in small vessels (HE × 40); B: Tumor showed multinodular or plexiform growth, paucicellular nodules with blunt spindle cells and myxoid stroma (HE, × 40); C: Spindle-shaped bland tumor cells were separated by an abundant intercellular myxoid or fibromyxoid matrix (HE, × 100); D: Tumor SMA(+) (× 40); E: Tumor SMA(+) (× 100); F: Ki-67 labeling index < 5% (× 100). HE: Hematoxylin and eosin; SMA: Smooth muscle actin.