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  • Title: Urachal remnant with heterotopic sinus in an adult male: A case report.
    Author: Sun ZH, Kong XH, Huang WJ, Chen G, Huang XJ.
    Journal: Medicine (Baltimore); 2019 May; 98(18):e15430. PubMed ID: 31045805.
    Abstract:
    INTRODUCTION: Urachal remnant with heterotopic sinus is an extremely rare congenital anomaly, and usually coexists with other congenital anomalies. We report the case of a 32-year-old adult male with urachal remnant with heterotopic sinus. PATIENT CONCERNS: A 32-year-old adult male presented with purulent secretion in the heterotopic sinus on the dorsal side of the normal external urethral orifice and pain in the balanus since 5 months. DIAGNOSIS: The computed tomography scan demonstrated a 4 cm cystic mass next to the anterior wall of the urinary bladder. Retrograde urethrography was performed, which demonstrated that this mass communicated with the heterotopic sinus on the dorsal side of the normal external urethral orifice. Cystoscopy showed that there was no communication between the mass and the bladder. Pathology results confirmed that this mass was urachal tissue. INTERVENTIONS: The patient underwent a laparoscopy surgery to undertake the cystic mass, part of the anterior wall of urinary bladder and the epithelium of channel which communicated with the cystic mass. OUTCOMES: The patient was discharged without any complications after 6 months and follow-up was continued in the clinic. CONCLUSIONS: Urachal remnant with heterotopic sinus is rare, and we recommend that urachal remnant should be considered when a patient presents with a mass in the retropubic space.
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