No todo bulto umbilical es una hernia: endometriosis primaria
This case report describes a young woman with a primary cutaneous umbilical endometrioma, highlighting that not all umbilical masses are hernias.
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This case report studied a 27-year-old woman with no prior abdominal surgery who presented with a rapidly enlarging, painful, reddish-brown umbilical nodule that was eroded and occasionally bleeding. Clinical and imaging evaluation (including dermatoscopy, cutaneous/abdominal ultrasound and Doppler) showed a vascularized supraaponeurotic nodule without evidence of other lesions or umbilical/abdominal hernia; due to the lesion’s appearance and growth rate, malignancy—including Sister Mary Joseph nodule—was initially suspected, and a punch biopsy was performed. Histopathology demonstrated abundant endometriotic glands surrounded by endometrial stroma, and after re-interrogation the patient reported cyclic, menstruation-associated bleeding and that symptoms diminished outside menses; gynecology later excluded other intra-abdominal endometriomas and the lesion was fully excised with free margins. The paper’s main limitation is that it reports a single primary cutaneous umbilical endometrioma case, with rarity-focused discussion rather than generalizable evidence. This paper is centrally about endometriosis — it reports a primary umbilical cutaneous endometrioma presenting as an umbilical “tumor” mimicking serious malignancy.
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References (5)
- Endometriosis cutánea umbilical espontánea via openalex
- Endometriosis umbilical via openalex
- Endometriosis umbilical primaria. A propósito de 6 casos via openalex
- Endometriosis umbilical primaria. Reporte de dos casos via openalex
- Primary umbilical endometriosis (PUE) via openalex
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- openalex
- last seen: 2026-06-10T17:14:06.276822+00:00