Mullerianosis of the urinary bladder: A great mimicker

Kavita Mardi* and Supriya Verma

Mullerianosis is a rare benign lesion consisting of an admixture of two or more of the following tissues: endometriosis, endocervicosis, and endosalpingiosis. It most commonly affects the urinary bladder and females of reproductive age group. Müllerianosis of the bladder is an extremely rare entity with fewer than 30 cases reported. Herein we report one such rare case of mullerianosis of the urinary bladder in a 33-year-old female who had undergone cesarian section 2 years back, presented with painless hematuria associated with menstruation. USG revealed a soft tissue lesion measuring 23×11 mm abutting the wall of the urinary bladder and extending into it. These findings were suspicious for endometriosis. The patient was admitted to the hospital for transurethral resection of a bladder lesion (TURBT). Operative findings revealed a solid 2x2 cm mass in the posterior wall of the urinary bladder. Superficial and deep TURBT chips were sent for histopathological examination. On microscopic examination, there were variable-sized glands lined by endometrial, endocervical, or tubal epithelium embedded in the bladder wall. The case was diagnosed as mullerianosis of the urinary bladder. As this rare entity, since it mimics benign and malignant neoplasms clinically and radiologically, pathologists should be aware of this rare entity to avoid misdiagnosis, which has great therapeutic implications for the patient.

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Published on: May 22, 2024 Pages: 5-7

Full Text PDF Full Text HTML DOI: 10.17352/aur.000048
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