Stilbestrol, adenosis, and adenocarcinoma.

Am J Obstet Gynecol

Published: November 1973

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http://dx.doi.org/10.1016/0002-9378(73)90494-8DOI Listing

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Background: Vaginal adenocarcinomas (VAC) are most often reported after intrauterine exposition to diethylstilbestrol (DES). Rarely, VACs are reported as a malignant transformation of vaginal adenosis or endometriosis, in the context of chromosomal abnormalities or malformations of the uterus or the vagina. VACs without DES exposition have a poor prognosis and a significantly worse outcome compared to vaginal squamous cell carcinomas or DES-associated VACs.

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Primary adenomas are common in the gastrointestinal tract but exceedingly rare on the periurethral surface and vagina. The pathogenesis remains unknown but vaginal adenomas are hypothesized to arise from vaginal adenosis or embryonic cloacal remnants and possess malignant potential. We present a case of a large primary vaginal tubulovillous adenoma in an eighty-one-year-old, likely diethylstilbestrol naïve patient.

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Transperineal Ultrasonographic and Magnetic Resonance Imaging Findings of Vaginal Adenosis.

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We report a rare case of a 40 years old woman with primary vaginal clear cell adenocarcinoma (CCA) accompanied by Herlyn-Werner-Wunderlich syndrome (HWWS) and without any prenatal diethylstilbestrol exposure. Pathological results indicated that the CCA was surrounded by adenosis and that there was a benign to malignant transformation of several glands in the epithelium, so the CCA was believed to have arisen from the adenosis. The literature review disclosed that genitourinary anomalies might be associated with an increased risk of adenocarcinoma, but the mechanism was not clear.

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