Question:

A 60-year-old woman presents with a history of intermittent bleeding. Her ultrasound is shown below. What is the diagnosis?

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A single central feeding vessel running into a focal endometrial lesion.
Updated On: Jun 23, 2026
  • Endometrial polyp
  • Carcinoma endometrium
  • Submucosal fibroid
  • None
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The Correct Option is A

Solution and Explanation

Answer: Endometrial polyp.
The 3D ultrasound clearly shows a single large feeding vessel passing into a focal endometrial lesion, the classic 'single feeding vessel' sign of an endometrial polyp.

What an endometrial polyp is: a localized overgrowth of basal endometrial stroma with a central blood vessel, covered by surface endometrium, most often arising from the fundus.

Why it bleeds: each polyp has one central feeding vessel with soft stroma and back-to-back glands, and this structure makes it prone to intermittent bleeding, the symptom seen in this patient.

Why not the others: endometrial carcinoma typically shows a thickened, irregular endometrium with multiple feeding vessels and myometrial invasion; a submucosal fibroid is a hypoechoic mass arising from the myometrium with circumferential (not single central) vascularity. Ref: gynaecological ultrasound, endometrial polyp characteristics
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