Uroplakin II (UPII), GATA3, and p40 are highly sensitive markers for the differential diagnosis of invasive urothelial carcinoma

Laura L. Hoang, David Tacha, Ryan E. Bremer, Thomas S. Haas, Liang Cheng

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

Distinguishing between invasive urothelial carcinoma from other genitourinary lesions such as prostatic and renal carcinomas can be difficult, and may require highly sensitive immunohistochemical markers. GATA-binding protein 3 (GATA3) has been reported in a high percentage of urothelial and breast carcinomas. Mouse monoclonal uroplakin II (UPII) and p40 antibodies have recently been developed and demonstrated high specificity in urothelial carcinoma. This study evaluated the immunohistochemical staining sensitivities of UPII, GATA3, p40, and p63 in the detection of invasive urothelial carcinoma. UPII, GATA3, and p40 were further tested for specificity in lung, breast, colon, kidney, and prostate cancers. In all invasive urothelial carcinoma cases, UPII, GATA3, p40, and p63 exhibited sensitivities of 77.7%, 83.5%, 85.4%, and 80.6%, respectively. The combination of UPII, GATA3, and p40 antibodies stained 94.2% (97/103) of all invasive urothelial carcinoma cases, including 92.2% (71/77) of grade 2-3 urothelial carcinomas. In addition, GATA3 and UPII showed negative staining in lung squamous cell carcinomas and p40 showed negative staining in breast infiltrating ductal carcinomas. The combination of UPII, GATA3, and p40 showed negative staining in lung adenocarcinoma, colon adenocarcinoma, and renal carcinomas. In conclusion, UPII, GATA3, and p40, when used in combination, are highly sensitive in the differential diagnosis of invasive urothelial carcinoma.

Original languageEnglish (US)
Pages (from-to)711-716
Number of pages6
JournalApplied Immunohistochemistry and Molecular Morphology
Volume23
Issue number10
StatePublished - 2015

Keywords

  • GATA3
  • p40
  • Uroplakin II
  • Urothelial carcinoma

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Medical Laboratory Technology
  • Histology

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