PMC6374811_01
(a) Tomography revealing a cecum mass with complete bowel obstruction. (b) Colonic epithelium, adjacent to endometrial glands and stromal tissue.
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Blood tests revealed leukocytosis with neutrophilia, and a contrast-enhanced abdominal computed tomography (CT) showed a 7 x 7 x 4 cm hyperenhanced mass in the cecum that caused complete bowel obstruction (Figure 1(a)).
(a) Right adnexal mass surrounded by loops of the small bowel. (b) Endometrial tissue in the muscular layer of the cecum.
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Also, a 5 x 3 x 3 cm right adnexal mass that compromised the ovary with intimate contact with the uterus was found (Figure 2(a)). The colonic epithelium showed inflammatory changes and was negative for malignancy (Figures 2(a) and 2(b)). Glands and endometrial stroma were observed in the fallopian tube as well (Figure 2(c)).
(a) Dilated loops of the bowel with complete intestinal obstruction. (b) Ovarian tissue with implants of endometrial glands, surrounded by siderophages.
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Furthermore, the CT showed dilated loops in the small bowel (>4 cm), some of which had an enlarged wall thickness and presence of intraluminal fluid stasis (Figure 3(a)).