Urogenital ImagingFibroepithelial polyp, bladder
(also called
benign fibrous bladder
tumour)
benign bladder
tumour which consist of a
polypoid lesion containg a fibrovascular core and covered by normal or slightly hyperplastic urothelium. Typically, the
lesion is solitary and detected in children or young adults who present with symptoms of bladder outlet
obstruction, due to prolapse of the polyp into the vesicourethral orifice.
Imaging findings (Fig.1), by CT, MRI or ultrasound, are those of a nonspecific soft tissue filling defect in the bladder. Recognition of the pedunculated nature of the lesion on imaging may help suggest the correct diagnosis.
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a. Cystogram performed via a suprapubic catheter shows a small lucent filling defect (arrow) at the bladder neck due to a fibroepithelial polyp.
b. Axial transabdominal ultrasound image shows a moderately echogenic fibroepithelial polyp (arrow) in the bladder.
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Fibroepithelial polyp, bladder, Fig.1 (a) | | Fibroepithelial polyp, bladder, Fig.1 (b) | |