Large Bowel Endometriosis Mimicking Colorectal Cancer

Abstract

Endometriosis is characterized by the presence of endometrial tissue outside the uterus, with 1-7% prevalence in the female population. It is observed in various locations of the human body, and large bowel endometriosis is the most common extrapelvic site, affecting about 5 to 12% of all women who present endometriosis. This study aimed to report an interesting images related to stenosing large bowel endometriosis that was possible to be diagnosed only by surgical intervention. Hence, this pathology is a diagnostic challenge and should be remembered between differential diagnoses of nonspecific or even alarming symptoms of the gastrointestinal tract.

Figure 1

Abdomen tomography with stenosing lesions in the upper rectum and sigmoid presenting impregnation with contrast, as shown by the pointing arrow.

Figure 2

Coronal image of abdomen tomography with stenosing lesions in sigmoid presenting impregnation with contrast, as shown by the pointing arrow.

Figure 3

Sagital image of abdomen tomography with stenosing lesions in the upper rectum presenting impregnation with contrast, as shown by the pointing arrow.