Two Cases of Leiomyoma in the Colon Masquerading as Other Types of Colonic Pedunculated Polyps

Figure 2

Pathological images of Case 1. A tumor composed of eosinophilic cells is observed. The tumor is covered with normal appearing mucosa ((a), hematoxylin and eosin staining, ×40). The tumor cells have relatively uniform nuclei, abundant cytoplasm, and indistinct cell boundaries. Mitoses are rarely observed ((b), hematoxylin and eosin staining, ×400). The cells are positive for α-SMA ((c), ×40) and desmin ((d), ×40).

(a)

(b)

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(d)