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Leiomyoma - Urinary Bladder

Case Detail

Anatomy: Genitourinary
Junewick
Joseph Junewick, MD FACR
Diagnostic Category: Neoplasia Benign
Created: over 5 years ago
Updated: over 5 years ago
Tags: PEDS
Modality/Study Types: US
Activities:
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History

Teenage female with right lower quadrant pain.


Case Images


Diagnosis

Leiomyoma – Urinary Bladder

Findings

US – Intramural isoechoic mass of the urinary bladder with intact mucosa and serosa.

Discussion

Leiomyoma is the most commonly occurring benign neoplasm of the urinary bladder although only account for a very small number of all bladder tumors. Leiomyomas may occur in intravesical, intramural, or extravesical locations, in decreasing order of frequency. Leiomyomas occur in nearly equal frequency in males and females and tend to be found during middle age. Urinary bladder leiomyomas are usually asymptomatic; symptoms include dysuria, frequency or hesitancy in urination, dribbling, hematuria, and outflow obstruction. Pelvic US, CT, and MR imaging are helpful for assessing the site, dimensions, and morphologic features of the tumor. Surgical planning depends upon the size and location of the tumor. Differential diagnosis in this case may include neurofibroma, endometrioma, and sarcoma.

Reference

Fasih N, Shanbhogue AKP, Macdonald DB et al. Leiomyomas beyond the Uterus: Unusual Locations, Rare Manifestations. Radiographics (2008); 28:1931-1948.



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