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]Roukoz A. Karam, M.D.[3]

Overview

On transvaginal ultrasound, endometrial cancer is characterized by thickening of the endometrium and disruption of a subendometrial halo.

Transvaginal ultrasound may be helpful in the diagnosis of endometrial cancer. Findings on an ultrasound suggestive of endometrial cancer include:^[1]
- Thickening of the endometrium
  - Premenopausal women have endometrial thickness that varies through the menstrual cycle
  - Postmenopausal women show increased thickness > 5mm
  - Thickness > 8mm is seen in postmenopausal women taking tamoxifen

Disruption of a subendometrial halo on ultrasound may be suggestive of myometrial involvement.