title: [Pseudosarcomatous myofibroblastic proliferation of the bladder-case report].
abstract: A 66-year-old man with a history of sporadic von Recklinghausen' s disease was treated for pseudosarcomatous myofibroblastic proliferation in the bladder. The patient had a history of repetitive recurrence of bladder carcinoma requiring transurethral resection (TUR) 4 times and 1 course of intravesical BCG instillation. Three months after the fourth TUR, an intravesical solid mass 4 cm in diameter was detected. Suspicion of recurrent bladder carcinoma led to a fifth TUR procedure. Pathological findings showed submucosal growth of myofibroblasts with myxoidal stroma and we made a diagnosis of Pseudosarcomatous myofibroblastic proliferation. The patient was well with no evidence of recurrence after 1 year.
authors.affiliation: The Department of Urology, Tokyo Women's Medical University Medical Center East, Japan.
authors.forename: Tetsuo
authors.initials: T
authors.lastname: Ishikawa
authors.forename: Fumio
authors.initials: F
authors.lastname: Ito
authors.forename: Nobuyuki
authors.initials: N
authors.lastname: Goya
authors.forename: Koji
authors.initials: K
authors.lastname: Suzuki
authors.forename: Izumi
authors.initials: I
authors.lastname: Kanemitsu
authors.forename: Narushi
authors.initials: N
authors.lastname: Yokota
authors.forename: Hayakazu
authors.initials: H
authors.lastname: Nakazawa
authors.forename: Mariko
authors.initials: M
authors.lastname: Fujibayashi
mesh_terms: D000368:Aged; D005347:Fibroblasts / Q000473:pathology; D006801:Humans; D008297:Male; D009379:Neoplasms, Muscle Tissue / Q000473:pathology; D009456:Neurofibromatosis 1 / Q000150:complications; D001743:Urinary Bladder / Q000473:pathology*; D001749:Urinary Bladder Neoplasms / Q000473:pathology*