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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

Correspondence: Dr Seong Jin Park, Department of Radiology, Soonchunhyang University Bucheon Hospital, 1174, Jung-dong, Wonmi-gu, Bucheon-shi, Gyeonggi-do, 420-021, Republic of Korea. E-mail: indawn{at}hanafos.com

We report a pseudotumour in the urinary bladder following total hip replacement with review of the literature. Pseudotumour in the urinary bladder as a late complication of total hip replacement is an extremely rare condition. In this case, cross-sectional imaging modalities including sonography, CT and MR showed a hypervascular polypoid mass in the urinary bladder and adjacent wall thickening with a band connecting between the mass and the acetabulum. Histopathological diagnosis confirmed acute and chronic inflammation with calcification.