case_images: PMC5446875_01
case_images: Biopsies from the rectal wall with glandular epithelium (a) with positive staining for CK7 (b) and estrogen receptor (c) indicating an origin from the gynecological tract. Biopsies from the removed fallopian tube with chorion villi ((d), arrow) with positive staining for HCG ((e), arrow).
case_images: CRIOG2017-5974590.001.jpg
case_images: PMC5446875_01_CRIOG2017-5974590.001.jpg
case_images: fig1
case_images: Histopathological examination of biopsies from both the rectum and the tube confirmed chronic ectopic pregnancy (Figure 1).