Perianal endometrioma
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This report describes five verified cases of perianal endometrioma, noting that only two were diagnosed preoperatively and confirming local excision as the treatment of choice.
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Abstract
One of the gynecologists' commonest findings at pelvic laparotomy is endometriosis. Despite the fact that the presence of endometrial tissue in ectopic locations is commonplace, the finding of a perianal endometrioma is no more than a surgical curiosity. Very few cases have been reported. The present report describes five such verified cases. Interestingly enough, only two of the five cases were diagnosed preoperatively. The pathogenesis of endometriosis has been, and continues to be, controversial. The prevailing theories include 1) transtubal regurgitation of menstrual blood, 2) the coelomic metaplasia doctrine, 3) lymphatic dissemination, and 4) hematogenous spread. Pathologically the lesions may vary grossly from red-blue to yellowish-brown implants, ranging in size from microscopic to 1-2 cm in diameter. The definitive histologic diagnosis requires two of the following three features-glands, stroma, and hemosiderin pigment. The clinical manifestations depend upon the functional activity of the involved tissue and may range from an asymptomatic mass to the classic presentation of a mass increasing in size and becoming acutely painful during menstruation but subsiding in size and decreasing in tenderness between menstrual periods. These protean manifestations are readily illustrated by the cases presented. Anatomically the lesions are usually found in old episiotomy scars. Because these lesions are usually readily accessible, and because their exact nature is frequently not known preoperatively, the treatment of choice is local excision. Complementary hormonal therapy has been suggested, but the value of such treatment is not yet proven. Ovarian ablative therapy is also considered.
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Cited by (37)
- Misdiagnosed as a perianal abscess: case report of perianal endometriosis 2024
- Perianal endometrioma presented as perianal abscess: report of two cases 2024
- Perianal Endometriosis: An Uncommon Site for a Common Problem 2023
- Perineal endometriosis: a rare case of a unique sizeable nodule: a case report 2021
- Diagnosis and Treatment of Vulvo-Perineal Endometriosis: A Systematic Review 2021
- Perianal Endometriosis: A Rare Presentation of Extrapelvic Endometriosis 2019
- A Case of Perineal Endometriosis with Findings Similar to Deeply Infiltrating Endometriosis by MRI 2019
- A Case of Perineal Endometriosis with Findings Similar to Deeply Infiltrating Endometriosis by MRI 2019
- Perianal Endometriosis: Five Case Reports 2018
- A Case of Perianal Endometriosis Demonstrated by Ultrasonography and MRI 2016
- ENDOMETRIOMA PERINEAL - ABOUT A CASE: RARE CAUSE OF CHRONIC PELVIC PAINS 2014
- Les endométrioses iatrogènes de la femme avant la ménopause : principaux enjeux 2013
- Diagnosis and Treatment of Perineal Endometriosis 2012
- The role of gonadotrophin releasing hormone agonist for the treatment of scar endometriosis 2012
- A case of trocar site implantation of endometriosis three years after laparoscopic hysterectomy 2012
- The clinical features and management of perineal endometriosis with anal sphincter involvement: a clinical analysis of 31 cases 2012
- Endometrioma perianal involucrando esfínter anal externo: reporte de un caso 2011
- Falsa hernia inguinal por endometriosis en el ligamento redondo 2010
- Fine Needle Aspiration Cytology in Cutaneous and Subcutaneous Endometriosis 2007
- Sonography of endometriosis in infrequent sites 2007
- Endoanal ultrasonography in the diagnosis and operative management of perianal endometriosis: report of two cases 2006
- Endométriose pelvienne tumorale sous-péritonéale 2006
- Extraperitoneal endometriosis: a diagnosis to be considered 2004
- Anal Endosonography in the Diagnosis and Management of Perianal Endometriosis: Report of a Case 2003
- Endometriosis in an episiotomy scar preceding pelvic endometriosis 2002
- Endometriomas de pared abdominal: aspectos diagnósticos 2001
- Implantation versus Infiltration: The Sampson versus the Endometriotic Disease Theory 1999
- Use of anal endosonography in diagnosis of endometriosis of the external anal sphincter 1999
- Management of perineal endometriosis 1996
- Extragenital Endometriosis 1995
- Diseases of the Peritoneum 1994
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