Endometrial cancer ultrasound
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Monalisa Dmello, M.B,B.S., M.D. [2]
Overview
On transvaginal ultrasound, endometrial cancer is characterized by thickening of the endometrium and disruption of a subendometrial halo.
Transvaginal ultrasound
- Transvaginal ultrasound is the initial imaging investigation of choice for patients presenting with postmenopausal bleeding. [1]
- Transvaginal ultrasound findings are as follows:
- 1. Endometrial carcinoma usually appears as thickening of the endometrium though may appear as a polypoid mass
- 2. Premenopausal: normal endometrial thickness varies through the menstrual cycle
- 3. Diagnosing abnormally thickened endometrium depends on knowing what the patient's point in the menstrual cycle
- 4. Postmenopausal: >5 mm is thickened (if not on Tamoxifen)
- 5. Sonographic features are non specific and endometrial thickening can also be due to benign proliferation, endometrial hyperplasia or polyps.
- 6. Disruption of a subendometrial halo on ultrasound may be suggestive of myometrial involvement.
References
- ↑ Endometrial carcinoma. Radiopaedia.org. http://radiopaedia.org/articles/endometrial-carcinoma Accessed on September, 23 2015