Ectopic endometriosis presenting as a breast abscess in a teenager

In: Journal of Pediatric Surgery Case Reports · 2021 · vol. 75 , pp. 102073 · doi:10.1016/j.epsc.2021.102073 · W3205554865
article OA: gold CC0 ⤵ 3 in-corpus citations
AI-generated summary by gemini-2.5-flash-lite, 2026-06-07

This case report details a 16-year-old girl whose breast abscess was pathologically confirmed as ectopic endometriosis, highlighting its rare presentation.

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Abstract

Ectopic endometriosis is a gynecologic disorder which is defined by the presence of endometrium tissue outside the uterus. Isolated breast involvement is a very uncommon manifestation of ectopic endometriosis. We present a 16-year-old girl with compliant of left breast pain, fever, and breast enlargement from 3 days ago. The ultrasound of left breast showed a well-defined heterogeneous mass lesion with thick turbid fluid components measuring 6 × 3.5 cm, consistent with abscess formation. The mass was surgically excised without complication. The histopathology reports confirmed the left breast endometriosis. The main purpose of this report is for physicians to consider this diagnosis when facing an unusual manifestation of endometriosis, especially in areas where the prevalence of this disease is rare.

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endometriosis

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last seen: 2026-06-10T17:14:06.276822+00:00
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