Divergent pathway of intestinal metaplasia and cystitis glandularis of the urinary bladder

Ming Tse Sung, Antonio Lopez-Beltran, John Eble, Gregory T. MacLennan, Puay Hoon Tan, Rodolfo Montironi, Timothy D. Jones, Thomas Ulbright, Jean E. Blair, Liang Cheng

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

Intestinal metaplasia has been proposed to be a precursor lesion of adenocarcinoma in the urinary bladder. CDX2 is a transcription factor that is encoded by a homeotype gene that plays an essential role in the differentiation and proliferation of intestinal epithelial cells. Hepatocyte-specific antigen (Hep) has also been shown to be a useful marker of intestinal metaplasia. Tissues from 46 patients, including 22 cases of intestinal metaplasia of the urinary bladder, 11 cases of typical cystitis glandularis, and 13 cases containing both lesions, were selected and immunohistochemical stains for CDX2, Hep, cytokeratin 20 (CK20), and cytokeratin 7 (CK7) were performed. Nuclear staining for CDX2 was observed in 29 of 35 (83%) cases of intestinal metaplasia of the urinary bladder. In contrast, nuclear staining for CDX2 was not observed in any case of typical cystitis glandularis; however, seven of 24 (29%) cases showed aberrant cytoplasmic expression in a mean of 37% of cells. CK20 was expressed in 28 of 35 (80%) cases of intestinal metaplasia, but was observed in only one of 24 (4%) cases of cystitis glandularis in 15% of cells. CK7 was expressed in only six of 35 (17%) cases of intestinal metaplasia, whereas expression of CK7 was observed in all cases (100%) of typical cystitis glandularis with a mean percentage of positively staining cells of 63%. The mean percentages of positively staining cells in intestinal metaplasia with CDX2, CK20, and CK7 were 55, 49, and 53%, respectively. All examples of both intestinal metaplasia and typical cystitis glandularis were uniformly negative for Hep. In the urinary bladder, intestinal metaplasia and typical cystitis glandularis have sharply contrasting immunoprofiles. Additionally, the absence of Hep staining in intestinal metaplasia of the urinary bladder, despite its morphologic resemblance to normal colonic mucosa and intestinal metaplasia in other organs, may signify the presence of unique metaplastic pathways in the urinary bladder.

Original languageEnglish
Pages (from-to)1395-1401
Number of pages7
JournalModern Pathology
Volume19
Issue number11
DOIs
StatePublished - Nov 4 2006

Fingerprint

Cystitis
Metaplasia
Urinary Bladder
Keratin-7
Keratin-20
Staining and Labeling
Essential Genes
Intestinal Mucosa
Hepatocytes
Adenocarcinoma
Transcription Factors
Coloring Agents
Epithelial Cells

Keywords

  • CDX2
  • Cystitis glandularis
  • Cytokeratin 20
  • Hepatocyte-specific antigen
  • Intestinal metaplasia
  • Urinary bladder

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Divergent pathway of intestinal metaplasia and cystitis glandularis of the urinary bladder. / Sung, Ming Tse; Lopez-Beltran, Antonio; Eble, John; MacLennan, Gregory T.; Tan, Puay Hoon; Montironi, Rodolfo; Jones, Timothy D.; Ulbright, Thomas; Blair, Jean E.; Cheng, Liang.

In: Modern Pathology, Vol. 19, No. 11, 04.11.2006, p. 1395-1401.

Research output: Contribution to journalArticle

Sung, MT, Lopez-Beltran, A, Eble, J, MacLennan, GT, Tan, PH, Montironi, R, Jones, TD, Ulbright, T, Blair, JE & Cheng, L 2006, 'Divergent pathway of intestinal metaplasia and cystitis glandularis of the urinary bladder', Modern Pathology, vol. 19, no. 11, pp. 1395-1401. https://doi.org/10.1038/modpathol.3800670
Sung, Ming Tse ; Lopez-Beltran, Antonio ; Eble, John ; MacLennan, Gregory T. ; Tan, Puay Hoon ; Montironi, Rodolfo ; Jones, Timothy D. ; Ulbright, Thomas ; Blair, Jean E. ; Cheng, Liang. / Divergent pathway of intestinal metaplasia and cystitis glandularis of the urinary bladder. In: Modern Pathology. 2006 ; Vol. 19, No. 11. pp. 1395-1401.
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