Primary rectal mature teratoma: a case report
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서지정보
ㆍ발행기관 : 충북대학교 동물의학연구소
ㆍ수록지정보 : Journal of Biomedical Research / 14권 / 4호
ㆍ저자명 : Yong-Moon Lee, Joung-Ho Han, Ho-chang Lee
ㆍ저자명 : Yong-Moon Lee, Joung-Ho Han, Ho-chang Lee
영어 초록
This report describes a rare case of primary rectal mature teratoma in a 56-year-old woman. She was referred to the outpatient clinic with a large pedunculated rectal mass, which was found during a regular health check-up. Polypectomy was performed and microscopic findings showed various structures derived from all three germ cell layers. Epidermis, hair follicles, sebaceous glands, eccrine glands, and apocrine sweat glands, with some scattered melanophages and lymphocytes were present as ectodermal derivatives. Smooth muscle fibers, blood vessels, and fibrous and adipose tissues were found as mesodermal derivatives. In addition, thyroid follicles, mucinous glands, and bronchial respiratory epithelium with peribronchial glands were detected as endodermal derivatives. She is healthy and has shown no evidence of recurrence or distant metastasis for 25 months post-surgical resection. Primary rectal teratomas are generally benign and primarily affect women. Therefore, minimally invasive surgical procedures, such as endoscopic polypectomy for a pedunculated polyp and segmentectomy for a larger mass, are satisfactory in most cases. Induction of primary rectal teratomas has been suggested to occur mainly by errors in a single germ cell after the end of meiosis I; in addition, it has also been suggested that the difference in gender incidence may be associated with differences in sex chromosomes between males and females rather than with anatomical proximity between ovary and rectum.참고 자료
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