Primary Leiomyosarcoma of the Colon: A Report of Two Cases, Review of the Literature, and Association with Immunosuppression for IBD and Rheumatoid Arthritis

<div>Leiomyosarcoma of the colon. (a) Fascicular tumor cell growth with high mitotic rate (H&amp;E stain, original magnification ×630). (b) Tumor cell necrosis (H&amp;E stain, original magnification ×400). (c) SMA staining positive (×400). (d) c-kit/CD117 staining negative (×400).</div>

Case Reports in Surgery

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Figure 1

Figure 1: Primary Leiomyosarcoma of the Colon: A Report of Two Cases, Review of the Literature, and Association with Immunosuppression for IBD and Rheumatoid Arthritis 

Figure 1 | Primary Leiomyosarcoma of the Colon: A Report of Two Cases, Review of the Literature, and Association with Immunosuppression for IBD and Rheumatoid Arthritis 