Isolated Perianal Endometrioma: A Case Report and Literature Review

Alsager, Ghadeer; AlMansour, Shahad; Aloraini, Hassan Mohammad; Alturki, Norah Ibrahim; Alswayyed, Mohammed; Alharbi, Reem; Al‐Khayal, Khayal

doi:10.12659/ajcr.934745

Cited by 2 publications

(6 citation statements)

References 21 publications

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“…Perianal endometriosis is rarely suspected as a differential diagnosis, which could lead to unnecessary investigations and delay in diagnosis [ 6 ]. It is hard to make a suspicion, if there is no visible scar in the perineum, or patient does not have cyclic pain [ 4 , 5 ]. The most of the case reported in the perianal region, associated with episiotomy site after vaginal delivery [ 2–4 , 7 ].…”

Section: Discussionmentioning

confidence: 99%

Endometriosis presenting as a perianal abscess: case report

Kim,

Yun,

Youn

et al. 2024

Journal of Surgical Case Reports

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Endometriosis is common benign disorder characterized by the presence of endometrial glands and stroma outside the uterine cavity. Endometriosis of perianal region is a rare condition. We report a case of perianal endometriosis presenting initially as a perianal abscess. Transperineal ultrasound showed a 1.5 cm size irregular mixed echogenicity lesion without involving anal sphincters. Complete surgical excision was performed. The histopathological examination confirmed as endometriosis.

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Section: Discussionmentioning

confidence: 99%

Endometriosis presenting as a perianal abscess: case report

Kim,

Yun,

Youn

et al. 2024

Journal of Surgical Case Reports

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“…In the case of perianal endometriosis, it is postulated that endometrial cells can implant in the perineum during vaginal delivery [ 8 , 9 ]. This includes the episiotomy site [ 8 - 10 ]. In this case, the location of the endometriosis at the site of the previous episiotomy scar supports this mechanism of pathogenesis.…”

Section: Discussionmentioning

confidence: 99%

“…A definitive diagnosis is usually made through visualization during surgery. Imaging modalities such as ultrasound and MRI have been found to be inaccurate compared to surgical evaluation but can assist operative planning [ 5 , 8 ]. The challenge of diagnosis based on imaging was clearly highlighted in our case.…”

Section: Discussionmentioning

confidence: 99%

“…More rarely, extraperitoneal endometriosis has been documented in the upper abdominal viscera, diaphragm, pleura, abdominal wall, and nervous system [4,5,7]. Perianal endometriosis is extremely rare, with an incidence of 0.2% [8]. On review, 22 case reports have been published documenting perianal endometriosis [8].…”

Section: Discussionmentioning

confidence: 99%

“…Perianal endometriosis is extremely rare, with an incidence of 0.2% [8]. On review, 22 case reports have been published documenting perianal endometriosis [8]. These cases have been reported after obstetric or gynecological procedures, usually at the site of episiotomy scars [7,8].…”

Section: Discussionmentioning

confidence: 99%

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Perianal Endometriosis: An Uncommon Site for a Common Problem

McComb,

Barghash,

Eltayef

2023

Cureus

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Endometriosis is the presence of uterine glands and stroma outside of the uterus. It is highly prevalent in women of reproductive age. It is usually found in the pelvis, with most cases being found on the peritoneum, ovaries, or deep in the pelvis. Extraperitoneal endometriosis is uncommon. Perianal endometriosis has an incidence of only 0.2%. We present the case of a 37-year-old woman with recurrent pain and swelling in the perineum at the site of a previous episiotomy scar. Initial imaging and assessment determined this to be scar tissue. Following re-presentation, it was mistakenly diagnosed as a perianal abscess, and the patient underwent incision and drainage. The wound failed to heal with significant induration. Further assessment of the wound was undertaken under general anesthesia. An excision of the affected area was performed, with histological analysis confirming endometriosis. This case highlights that extra-peritoneal endometriosis is a rare but treatable cause of recurrent, cyclical pelvic pain and swelling in the perineum. A high index of clinical suspicion is required due to its ability to mimic other pathologies, including abscesses and cysts. The primary management of perianal endometriosis is surgical excision. Where complete excision is not possible, medical management with hormone therapy should be considered.

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Isolated Perianal Endometrioma: A Case Report and Literature Review

Cited by 2 publications

References 21 publications

Endometriosis presenting as a perianal abscess: case report

Endometriosis presenting as a perianal abscess: case report

Perianal Endometriosis: An Uncommon Site for a Common Problem

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