PMC3618051_01
Imaging study of the bladder. a Ultrasonography of the abdomen: axial sonogram at the level of the lower urinary bladder shows marked, nearly circumferential irregular thickening of the bladder wall. b MRI of the abdomen: sagittal T1-weighted MR image shows diffuse thickening of the bladder (maximum of 2 cm at the posterior wall).
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F1
Ultrasonography of the abdomen revealed marked, nearly circumferential thickening of the bladder wall (fig. 1a). MRI of the bladder showed diffuse thickening of the bladder with a posterior wall thickness of 2 cm (fig. 1b).
Hematoxylin and eosin staining of the bladder biopsy. Severe eosinophilic infiltration was observed (a, x100), and there was degranulation of eosinophils (arrows in b, x400).
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F2
Bladder biopsy showed eosinophilic infiltration of the mucosa and submucosa, and degranulation was observed (fig. 2a, b).