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Related Experiment Video

Updated: Jun 6, 2026

Intraoperative Detection of Subtle Endometriosis: A Novel Paradigm for Detection and Treatment of Pelvic Pain Associated with the Loss of Peritoneal Integrity

Intraoperative Detection of Subtle Endometriosis: A Novel Paradigm for Detection and Treatment of Pelvic Pain Associated with the Loss of Peritoneal Integrity

Published on: December 21, 2012

Perianal Endometriosis Mimicking Recurrent Perianal Abscess.

Mohd Iqbal¹, Vijay Thumbe, Ravish Dhange

¹Queen's Hospital, Burton, UK.

Case Reports in Gastroenterology

|November 25, 2010

Summary

Perianal endometriosis is rare, often linked to episiotomy scars. This case highlights a challenging diagnosis in a patient without prior episiotomy, presenting as a painful nodule mistaken for sepsis.

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Area of Science:

Gynecology
Colorectal Surgery
Pathology

Background:

Perianal endometriosis is an exceptionally rare condition.
It typically occurs in episiotomy scars and may involve the rectovaginal septum.
Diagnosis is often delayed due to lack of typical history (episiotomy scars, cyclical pain).

Observation:

A 35-year-old woman presented with a recurrent, painful nodule in the perianal area.
She had no history of episiotomy or perineal scarring.
The nodule was initially suspected to be perianal sepsis.

Findings:

The case describes a rare instance of perianal endometriosis.
The absence of an episiotomy scar and cyclical pain complicated the clinical suspicion.
Histopathological examination confirmed endometriosis.

Implications:

This case emphasizes the importance of considering endometriosis in perianal nodules, even without typical risk factors.
It highlights diagnostic challenges and the potential for misdiagnosis as perianal sepsis.
Awareness of this rare presentation is crucial for timely and accurate diagnosis.