Squamous cell carcinogenesis and squamous cell carcinoma of the urinary bladder: A contemporary review with focus on nonbilharzial squamous cell carcinoma

Steffen Rausch, Yair Lotan, Ramy F. Youssef

Research output: Contribution to journalReview articlepeer-review

16 Scopus citations

Abstract

Bladder squamous cell carcinoma, squamous metaplasia, and transitional cell carcinoma with squamous differentiation are infrequent findings in Western countries. A common risk factor for their development consists of chronic bladder irritation and inflammation. The prognostic and clinical relevance and natural history of squamous cell lesions has been under investigation, revealing individual premalignant characteristics. Recent developments in molecular characterization of squamous alterations of the urinary tract indicate pathogenetic similarities and interrelations and might lead to more precise tumor classification and risk stratification in the future. Nevertheless, current clinical management of patients with premalignant and malignant bladder squamous cell lesions remains challenging, as high evidence level studies are not available and prognosis of invasive squamous carcinoma is poor. Our review summarizes the available data on clinical presentation, treatment, and outcome of bladder squamous cell carcinoma, metaplastic lesions, and transitional cell carcinoma with squamous differentiation and discusses implementable current advances in the understanding of bladder cancer tumorigenesis.

Original languageEnglish (US)
Pages (from-to)32.e11-32.e16
JournalUrologic Oncology: Seminars and Original Investigations
Volume32
Issue number1
DOIs
StatePublished - Jan 2014

Keywords

  • Bladder cancer
  • Inflammation
  • Leukoplakia
  • Nonbilharzial squamous cell carcinoma
  • Squamous cell carcinoma
  • Squamous metaplasia

ASJC Scopus subject areas

  • Oncology
  • Urology

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