Ileal angiomyolipoma manifested by small intestinal Intussusception

Figure 1 Enhanced abdominal CT and photograph of the pathological specimen. A: A soft tissue mass with fatty-tissue attenuation in the terminal ileum, and with intussusception is shown (arrow); B: Grossly, an approximate 3 cm × 3 cm × 2.5 cm sized polypoid mass was located in the ileum, 60 cm from the ileocecal valve (arrow).

Figure 2 Photomicrograph of the histopathological specimen. A: The specimen was composed of three tissue components: mature adipose tissue (arrowhead) and smooth muscle surrounding thick-walled, medium-sized, vascular channels (arrow) (HE, × 40); B: Immunohistochemistry (IHC) staining showed that the proliferating smooth muscle cells were positive for α-SMA (IHC, × 40); C: Smooth muscle cells showed immunoreactivity for desmin (IHC, × 40); D: The scattered small blood vessels showed immunoreactivity for CD34 (IHC, × 40).