Endocervicosis of the bladder is a rare, benign variant of endometriosis. The lesions are characterized by ectopic, glandular structures of Müllerian origin with intracytoplasmic mucin production. During placement of a ureteral stent, a cystic tumor in the posterior bladder wall was discovered in a 47-year-old woman with nephroureterolithiasis. CT and MRI revealed a 5 x 1.6 cm(2) mass in the posterior bladder wall protruding into the lumen of the bladder. Urine culture and cytological analyses showed no malignancy. Transurethral biopsy of the tumor confirmed the diagnosis of endocervicosis. Complete transurethral resection was rejected due to the absence of symptoms and the benign condition of the lesion.

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http://dx.doi.org/10.1080/00365590701514282DOI Listing

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Article Synopsis
  • The text discusses the diagnostic challenges of lesions in the urinary bladder, particularly focusing on endocervicosis, a rare condition characterized by benign infiltration of endocervical glands.
  • It emphasizes the importance of thorough preoperative assessment for accurate diagnosis and highlights the potential association with adenocarcinoma, stressing the need for careful management.
  • A case study of a 47-year-old woman illustrates the surgical approach of segmental cystectomy with tumor-only excision, which was confirmed as endocervicosis through histopathological analysis, showcasing the importance of tailored surgical interventions for better patient outcomes.
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Anatomically, normal cells found in an abnormal site are known as choristoma. When any two of the three-cell lineage of the mullerian duct, that is endosalpinx, endocervix and endometrium, are found at an abnormal location, it is termed mullerian choristoma or mullerianosis. Mullerianosis histologically reveals glands of varying sizes lined by cervical, tubal and endometrial cells.

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Benign müllerian inclusions are frequently encountered within infra-diaphragmatic locations such as pelvic lymph nodes, bladder, cervix and vagina. Supra-diaphragmatic müllerian inclusions, especially endocervicosis, are exceedingly rare. We report a case of endocervicosis within an intramammary lymph node in a 49-year-old woman.

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Bladder endocervicosis describes the ectopic presence of endocervical tissue within the bladder. It is a rare condition with an unclear aetiology. We report the case of a 29-year-old woman who presented with bladder endocervicosis during her first pregnancy with recurrence during her second pregnancy.

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Malacoplakia is an inflammatory lesion which can affect any organ in the body but predominantly affects the genitourinary system and mainly the bladder. Malacoplakia of the bladder has variable presentations and is associated with urinary infection or immunosuppression. Mullerianosis of the bladder is a rare lesion that consists of two out of the three tissues, endometriosis, endocervicosis, or endosalpingiosis.

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