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Results for “UTERINE NEOPLASMS”

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At least 37 records · Page 2Linked to original sources
PubMed2003

Bromoethane, chloroethane and ethylene oxide induced uterine neoplasms in B6C3F1 mice from 2-year NTP inhalation bioassays: pathology and incidence data revisited.

Chloroethane, bromoethane and ethylene oxide represent a unique set of chemicals that induce endometrial neoplasms in the uterus of B6C3F1 mice following an inhalation route of exposure. The results of the NTP's chronic bioassays with these three compounds resulted in an unusually high incidence of uterine epithelial neoplasms in B6C3F1 mice (chloroethane 86%, bromoethane 56%) and a lower incidence for ethylene oxide (10%). The uterine neoplasms were classified as adenomas, adenocarcinomas, and squamous cell carcinomas for bromoethane, and as adenocarcinomas for both chloroethane and ethylene oxide. The adenocarcinomas and squamous cell carcinomas were invasive into the myometrium and the serosa, and metastasized to a wide variety of organs. Metastatic sites included most commonly the lung, lymph nodes, and ovary at unusually high rates of metastases (79% for chloroethane and 38% for bromoethane). Because of the dramatically high rates of uterine neoplasms (induced by chemicals given by the inhalation route) and metastases, a re-evaluation of the pathology and incidence data was undertaken. The earlier results were confirmed. The mechanism of uterine carcinogenesis by chloroethane, bromoethane and ethylene oxide is unclear.

Adenocarcinoma↗
PubMed2004

Pelvic relapses of uterine neoplasms: transvaginal sonographic and Doppler features.

OBJECTIVE: To describe the sonographic and power Doppler features of pelvic relapses in endometrial and cervical cancer. METHODS: We retrospectively analyzed the preoperative transvaginal sonographic reports of 45 women with a histological diagnosis of pelvic relapse. The three diameters of the lesion were recorded; then the shape, margins, content (solid or cystic), and location were analyzed. A subjective assessment of the vascularization (vascular score) was obtained with power Doppler. RESULTS: Twenty-six patients had pelvic recurrence from endometrial cancer and 19 from cervical cancer. In 36 (80%) patients, the recurrence was a central pelvic mass located on the vaginal apex, while in six cases (13%), it was diagnosed as a pelvic side-wall recurrence, and in three (7%), the recurrence occupied the whole pelvis. The recurrences had diameters ranging from 1.0 to 6.8 cm (mean diameter: 3.0 cm, standard deviation: 1.5). In 44/45 cases (98%), the recurrence appeared as a solid nodular mass, while in one case (2%), it was defined as a cystic mass. In 32 (71%) women, the mass showed a hypoechoic content with respect to the surrounding bowel, while in 13 (29%), it manifested a nonhomogeneous content. Vascularization of the mass was assessed in all patients before surgery; in all cases, it was possible to visualize randomly dispersed blood vessels in the context of the relapse. The vascular score revealed scarce blood vessels in 19 relapses, moderate flow in 23, and abundant flow in three cases. CONCLUSIONS: Knowledge of the spectrum of ultrasonographic findings of pelvic relapses will help the physician in diagnosing a recurrent malignant disease at an early stage, when cure rates are high. The widespread availability and low cost of transvaginal sonography (TVS) support its use in routine surveillance of patients operated for uterine neoplasms.

Adult↗
PubMed1992

[Intracavity brachytherapy in uterine neoplasms].

The growing use of intracavity treatment of uterine neoplasia has not been accompanied in the Brazilian literature by articles appropriate for day-to-day consultation. Based on this fact we endeavour to transmit in this paper our experiences related to this therapy technique.

Brachytherapy↗