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February 21, 1977

Implantation of Placental Tissue in the Cervix: Complication of Simultaneous Cone Biopsy and Abortion

JAMA. 1977;237(8):767. doi:10.1001/jama.1977.03270350027012

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To the Editor.—  Abortion-related implantation of fetal tissues into the uterus and perimetric tissues is known to occur, but abortion-related implantation of placental tissue has not been previously reported. We recently encountered a case of implantation of placental tissue into the cervix following simultaneous cervical cone biopsy and abortion. The patient was asymptomatic, and the implantation was discovered incidentally in a subsequent hysterectomy specimen.

Report of a Case.—  A 31-year-old woman was hospitalized in her eighth week of pregnancy for evaluation of cervical dysplasia detected by a Papanicolaou smear. She also desired an abortion. A cone biopsy of the cervix was performed and was immediately followed by a suction abortion. The cone biopsy showed carcinoma in situ. The endometrial specimen contained products of conception. A modified radical hysterectomy was performed ten weeks later.Several residual foci of cervical carcinoma in situ were found in the hysterectomy specimen. The cone biopsy