title: Glucocorticosteroid-sensitive inflammatory eosinophilic pseudotumor of the bladder in an adolescent: a case report.
abstract: BACKGROUND
  Inflammatory eosinophilic pseudotumor of the bladder is a rare inflammatory bladder disease. The etiology and pathophysiology of this condition are still unclear. Few case reports have described inflammatory eosinophilic pseudotumor of the bladder in adults or children. Although benign, this disease is occasionally clinically aggressive and locally invasive, thus open surgical removal or complete transurethral resection is recommended.
  
  
  METHODS
  We present the case of a biopsy-proven inflammatory eosinophilic pseudotumor of the bladder in a previously healthy 16-year-old male adolescent with 2-month history of frequent micturition and dysuria with no significant apparent causative factors. The tumor regressed after a 6-week course of glucocorticosteroids.
  
  
  CONCLUSIONS
  To the best of our knowledge, our case is a rare case of inflammatory eosinophilic pseudotumor of the bladder treated with complete conservative management. Due to its glucocorticosteroid-sensitive nature, we postulate that this disease belongs to a subgroup of eosinophilic disorders.
authors.affiliation: Urology Department of Changzheng Hospital, Shanghai, 200003, PR China.
authors.forename: Danfeng
authors.initials: D
authors.lastname: Xu
authors.forename: Yushan
authors.initials: Y
authors.lastname: Liu
authors.forename: Yi
authors.initials: Y
authors.lastname: Gao
authors.forename: Xuezhi
authors.initials: X
authors.lastname: Zhao
authors.forename: Chuangyu
authors.initials: C
authors.lastname: Qu
authors.forename: Changlin
authors.initials: C
authors.lastname: Mei
authors.forename: Jizhong
authors.initials: J
authors.lastname: Ren