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BMC Women's Health
Published in: BMC Women's Health 1/2015

Open Access 01-12-2015 | Research article

Endometriosis node in Gynaecologic scars: A study of 17 patients and the diagnostic considerations in clinical experience in tertiary care center

Authors: Rocío Vellido-Cotelo, Jose L Muñoz-González, Maria R Oliver-Pérez, Cristina de la Hera-Lázaro, Cristina Almansa-González, Concepción Pérez-Sagaseta, Jesús S Jiménez-López

Published in: BMC Women's Health | Issue 1/2015

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Abstract

Background

Endometriosis nodes are observed in extra pelvic locations, particularly in gynaecological scars, with the abdominal wall being one of the most frequent locations. The main objective of the study is to review patient characteristics of cases of endometriosis nodes in gynaecological scars.

Methods

A retrospective, observational and descriptive study with a cohort of patients from Hospital 12 de Octubre was conducted from January 2000 to January 2012. We analysed all of the patients who presented with an endometriosis node in a gynaecological scar presentation who had undergone surgery in that period. Descriptive data were collected and analysed.

Results

A total of 17 patients with an anatomopathological diagnosis of an endometriosis node in a gynaecological scar were found. The following variables were studied: the age at diagnosis (32.5 years +/− 5.5 years), personal and obstetric history, time from surgery to diagnosis (4.2 years +/− 3.4 years), symptoms (a painful mass that grows during menstruation is the most frequent symptom in our patients), technical analyses by computed tomography (CT), magnetic resonance (MR) or fine needle aspiration (FNA) (77% of the patients), node size (2.5 cm +/− 1.1 cm) and location (caesarean scar, 82%; episiotomy scar, 11.7%; and laparoscopic surgery port, 5.8%), involvement of adjacent structures (29% of the patients), treatment (exeresis with a security margin in all the patients) and other endometriosis locations (14% of the patients).

Conclusions

A high level of suspicion is required to diagnose gynaecological scar endometriosis, which should be suspected in the differential diagnosis of scar masses in reproductive-aged women.
Several theories have been proposed to explain the formation of endometriosis nodes in extrauterine localizations. The two of them that seem to be more plausible are the metaplasia and transport theories.
Imaging with ultrasound, CT and MR facilitate the diagnosis. FNA could be used for preoperative diagnosis.
Treatment must be by node resection with a security margin. In some cases, surgery could be combined with hormonal treatment.
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Metadata
Title
Endometriosis node in Gynaecologic scars: A study of 17 patients and the diagnostic considerations in clinical experience in tertiary care center
Authors
Rocío Vellido-Cotelo
Jose L Muñoz-González
Maria R Oliver-Pérez
Cristina de la Hera-Lázaro
Cristina Almansa-González
Concepción Pérez-Sagaseta
Jesús S Jiménez-López
Publication date
01-12-2015
Publisher
BioMed Central
Published in
BMC Women's Health / Issue 1/2015
Electronic ISSN: 1472-6874
DOI
https://doi.org/10.1186/s12905-015-0170-9

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