Urothelial lesions with inverted growth patterns

Histogenesis, molecular genetic findings, differential diagnosis and clinical management

Kurt B. Hodges, Antonio Lopez-Beltran, Gregory T. MacLennan, Rodolfo Montironi, Liang Cheng

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

What's known on the subject? and What does the study add? Inverted lesions of the urinary bladder comprise a spectrum of changes ranging from von Brunn's nests to inverted urothelial carcinoma. Differentiating these lesions is important because their proper clinical management and their expected clinical outcomes are distinctly different. In this article, we review the spectrum of inverted urothelial lesions of the bladder, including current morphological criteria, key differential diagnosis, molecular genetic findings and histogenesis. We have refined the diagnostic criteria for various bladder lesions with inverted growth patterns. A number of well-recognized urothelial lesions with inverted morphology occur in the urinary bladder. Some are so common that they are considered normal variants of urothelium, whereas others are rare. It is important for the surgical pathologist to recognize these lesions and their overlapping morphological features, because in some cases establishing an accurate diagnosis is challenging. In this article, we review the spectrum of inverted urothelial lesions of the bladder. Emphasis is placed on differential diagnosis, molecular genetic findings, morphology and histogenesis.

Original languageEnglish
Pages (from-to)532-537
Number of pages6
JournalBJU International
Volume107
Issue number4
DOIs
StatePublished - Feb 2011

Fingerprint

Molecular Biology
Urinary Bladder
Differential Diagnosis
Growth
Urothelium
Carcinoma

Keywords

  • differential diagnosis
  • fibroblast growth factor receptor 3 (FGFR3)
  • histological variant
  • inverted and nested TCC urothelial carcinoma
  • molecular genetics
  • molecular pathology
  • precursor lesions
  • transitional cell (urothelial) carcinoma
  • tumourigenesis(carcinogenesis)
  • urinary bladder
  • urothelial papilloma

ASJC Scopus subject areas

  • Urology

Cite this

Urothelial lesions with inverted growth patterns : Histogenesis, molecular genetic findings, differential diagnosis and clinical management. / Hodges, Kurt B.; Lopez-Beltran, Antonio; MacLennan, Gregory T.; Montironi, Rodolfo; Cheng, Liang.

In: BJU International, Vol. 107, No. 4, 02.2011, p. 532-537.

Research output: Contribution to journalArticle

Hodges, Kurt B. ; Lopez-Beltran, Antonio ; MacLennan, Gregory T. ; Montironi, Rodolfo ; Cheng, Liang. / Urothelial lesions with inverted growth patterns : Histogenesis, molecular genetic findings, differential diagnosis and clinical management. In: BJU International. 2011 ; Vol. 107, No. 4. pp. 532-537.
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