case_images: PMC5367453_01
case_images: Cystoscopy revealed an erythematous mucosal lesion over the anterior wall and a small prostate.. Notes: (A) Anterior wall of bladder. (B) Prostatic urethra.
case_images: rru-9-051Fig1.jpg
case_images: PMC5367453_01_rru-9-051Fig1.jpg
case_images: f1-rru-9-051
case_images: Cystoscopy revealed an erythematous mucosal lesion over the anterior wall, with no evidence of prostatic obstruction (Figure 1).
case_images: Histopathologic examination of the specimen obtained by cystoscopy showed infiltration of the bladder submucosa by numerous eosinophils.. Notes: Hematoxylin and eosin staining, x200 (A) and x 400 (B).
case_images: rru-9-051Fig2.jpg
case_images: PMC5367453_01_rru-9-051Fig2.jpg
case_images: f2-rru-9-051
case_images: Cold-cup biopsies showed diffuse infiltration of mucosa by eosinophils (Figure 2).
case_images: Immunohistochemical examination of the specimen obtained by cystoscopy.. Notes: (A) Staining limited to the superficial cell layer for Cytokeratin 20; x 200. (B) staining in full thickness of the urothelium for CD44; x 200.
case_images: rru-9-051Fig3.jpg
case_images: PMC5367453_01_rru-9-051Fig3.jpg
case_images: f3-rru-9-051
case_images: Immunohistochemical examination of the specimen obtained by cystoscopy revealed CD44 staining in the entire thickness of the urothelium (Figure 3).