PMC4959934_01
Erect abdomen x ray showing.. Distended Sigmoid and large bowel.
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Abdominal x-ray and CT showed a colonic distension (Fig. 1, Fig. 2).
Colonic endometriosis, with inflammatory changes.. by specialized stroma with sever acute inflammation.
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Microscopically, the specimen reveals an obstructing tumor within the wall of the sigmoid without mucosal involvement composed of benign looking endometrial glands lined by columnar cells without atypia surrounded by specialized stroma with sever acute inflammation (Fig. 3, Fig. 4).
Lymph node free of malignancy.
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Surgical resection lines were free of endometriosis, in addition to free 8 reactional lymph nodes (Fig. 5, Fig. 6).