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Pseudotumour in the bladder as a complication of total hip replacement: ultrasonography, CT and MR findings

¹ Department of Radiology, Soonchunhyang University Bucheon Hospital, 1174, Jung-dong, Wonmi-gu, Bucheon-si, Gyeonggi-do, 420-021, and ² Department of Diagnostic Radiology, College of Medicine, Soonchunhyang University, 23-20, Bongmyungdong, Cheonan, Choongnam 330-721, Departments of ³ Urology and ⁴ Anatomic Pathology, Soonchunhyang University Bucheon Hospital, 1174, Jung-dong, Wonmi-gu, Bucheon-si, Gyeonggi-do, 420-021, Republic of Korea

View larger version (92K): [in this window] [in a new window]   Figure 1. A 39-year-old woman with a pseudotumour in the bladder as a complication of total hip replacement. (a) Grey scale sonography shows a polypoid mass in the urinary bladder with adjacent wall thickening. (b,c) T2 weighted axial pelvic MR images show a polypoid mass with bright signal intensity in the right lateral wall of the urinary bladder and a band-like structure between the mass and the right acetabulum. (d) Gadolinium-enhanced T1 weighted coronal image shows good enhancement of the bladder polyp and band. (e) Delayed multidetector (MD)CT in the axial plane shows a well-marginated polypoid mass in the contrast-filled bladder.