{"paper_id":"43fb5428-117f-4695-ab5d-fc9638a790d7","body_text":"症例\n大腸内視鏡による生検で診断し得た腸管子宮内膜症の1例\n2014 年 84 巻 1 号 p. 174-175\n詳細\n抄録\nA 45-year-old woman presented with a 2-month history of diarrhea and lower abdominal pain.The patient began to suffer from bloody diarrhea, and was referred to hospital.\nColonoscopy revealed elevated lesions like a submucosal tumor at two locations in the sigmoid colon and rectum.\nThe overlying mucosa was edematous and showed small red nodules at the center of the lesion with white spots and a scar.\nIntestinal endometriosis was suspected, and biopsy specimens were obtained from the nodules.\nOn histopathological examination, the submucosal layer through the lamina propria showed a structure similar to the uterine stroma and glands.\nImmunostaining revealed that the lesion was estrogen-receptor positive, therefore, the lesions were diagnosed as intestinal endometriosis.\nColonoscopy revealed elevated lesions like a submucosal tumor at two locations in the sigmoid colon and rectum.\nThe overlying mucosa was edematous and showed small red nodules at the center of the lesion with white spots and a scar.\nIntestinal endometriosis was suspected, and biopsy specimens were obtained from the nodules.\nOn histopathological examination, the submucosal layer through the lamina propria showed a structure similar to the uterine stroma and glands.\nImmunostaining revealed that the lesion was estrogen-receptor positive, therefore, the lesions were diagnosed as intestinal endometriosis.\n© 2014 一般社団法人 日本消化器内視鏡学会 関東支部","source_license":"CC0","license_restricted":false}