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Case Reports in Radiology
Volume 2016 (2016), Article ID 9346218, 4 pages
http://dx.doi.org/10.1155/2016/9346218
Case Report

Macroscopic Hematuria and a Bladder Mass: Eosinophilic Cystitis in a 7-Year-Old Boy

1Department of Radiology, Lillebaelt Hospital, Skovvangen 2-8, 6000 Kolding, Denmark
2Institute of Pathology, Aarhus University Hospital, 8000 Aarhus C, Denmark
3Pediatric Department, Lillebaelt Hospital, 6000 Kolding, Denmark

Received 21 December 2015; Revised 5 May 2016; Accepted 11 May 2016

Academic Editor: Yoshito Tsushima

Copyright © 2016 Stine Bjerrum Runge et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We report a case of eosinophilic cystitis in a 7-year-old boy with a history of atopic symptoms, with focus on the radiological findings. He presented with hematuria and dysuria and ultrasonography (US) showed irregular bladder wall thickening resembling a bladder mass. CT urography did not characterize the lesion any further and showed no local or distant spread. Biopsies revealed eosinophilic cystitis, a benign inflammatory condition. We found that US characterized the lesion at least as well as CT and should be the first choice of imaging. When staging is considered before biopsy, MRI should be preferred to CT. There are no specific radiological signs of eosinophilic cystitis. On follow-up, US was a safe, cost-effective imaging modality, but findings should be interpreted in a clinical context. In a child with hematuria and a bladder mass, eosinophilic cystitis is a relevant but rare differential diagnosis, especially when there is a known atopic history.