Pleomorphic leiomyosarcoma of the maxilla with metastasis to the colon: A case report

Figure 1 Magnetic resonance imaging of the face and neck showing a left maxillary mass.

Figure 2 Colonoscopy. A: Ascending colon polyp; B: Hemoclip applied to ascending colon polyp; C: Roth net covering ascending colon polyp; D: Retrieved ascending colon polyp.

Figure 3 Histopathological examination. A: Submucosal diffuse spindle cell neoplasm [hematoxylin and eosin (H&E) × 10]; B: Higher magnification of the spindle cell neoplasm showed high mitotic figures and prominent nuclear pleomorphism (H&E × 20).

Figure 4 Immunohistochemistry. A: The malignant cells are positive with desmin [immunohistochemistry (IHC) × 20]; B: The malignant cells are positive with SMA (IHC × 20).