Abstract
Benign tumor of the bladder (Leiomyoma) is a rare condition representing less than 0.5% of all bladder tumors. A 50-year-old female presented with asymptomatic hematuria for three months. Abdomen and pelvic magnetic resonance imaging (MRI) revealed a large intraluminal mass originating from the submucosal layer of the left anterolateral wall of the urinary bladder. An ultrasound-guided biopsy was performed, and a histopathological examination showed a spindle cell tumor. Cystoscopy revealed a massive indentation in the left posterolateral site of the urinary bladder extending to the bladder's dome. The patient underwent open partial cystectomy. At the follow-up, the patient was evaluated, and there was no hematuria or other complaints. Open partial cystectomy is the treatment of choice in an intramural tumor with an unfavorable position and difficulty in recognition.
Highlights
Bladder leiomyomas are rare benign mesenchymal neoplasms and represent less than 0.5% of all bladder tumors [1]
Benign tumor of the bladder (Leiomyoma) is a rare condition representing less than 0.5% of all bladder tumors
Open partial cystectomy is the treatment of choice in an intramural tumor with an unfavorable position and difficulty in recognition
Summary
Bladder leiomyomas are rare benign mesenchymal neoplasms and represent less than 0.5% of all bladder tumors [1]. Patients with bladder leiomyomas may be asymptomatic, but most of them present with obstructive and irritative symptoms (49% and 38%, respectively) and hematuria (11%) The etiology of these benign tumors is still unknown. An abdominal/pelvic MRI was performed and revealed a large submucosal well-defined round mass with a slightly lobulated smooth margin originating from the submucosal layer of the left anterolateral wall of the urinary bladder. It measured 5 x 7 x 4.5 cm and was isointense to the T1 weighted image's muscle and heterogenous with the cystic component on the T2 image.
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