Usefulness of basal cell cocktail (34βE12 + p63) in the diagnosis of atypical prostate glandular proliferations

Rajal B. Shah, Lakshmi P. Kunju, Ronglai Shen, Michele LeBlanc, Ming Zhou, Mark A. Rubin

Research output: Contribution to journalArticle

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Abstract

We evaluated the diagnostic usefulness of the 34βE12-p63 cocktail, compared with 34βE12 and p63 used alone, in 34 prostate needle biopsy (NBXs) and 3 transurethral resection specimens containing atypical glandular proliferations and in 18 NBXs containing unequivocal prostate carcinoma (PCa). Staining intensity; percentage of basal cells staining in benign, atypical, and malignant glands; number of benign glands lacking basal cell staining; and staining variance were analyzed. All NBXs with unequivocal PCa were negative with all 3 markers. Diagnoses were as follows for the atypical cases after staining for the 3 markers: PCa, 9; postatrophic hyperplasia, 12; high-grade prostatic intraepithelial neoplasia (HGPIN), 5; atspical adenomatous hyperplasia, 6; benign atypical proliferations, 4; and HGPIN with adjacent small atypical acinar proliferation suggestive of PCa, 1. The cocktail demonstrated consistently strong staining intensity and improved basal cell staining in morphologically benign and benign atypical glands compared with p63 and 34βE12 alone; it had the smallest staining variance compared with 34βE12 (F < 0.0001) and p63 (F = 0.31), although its advantage for resolving individual atypical cases was limited compared with 34βE12 and p63 alone. Of 37 atypical cases, 1 (3%) additionally was resolved as benign using the cocktail and p63. Because the diagnosis of PCa is supported by lack of basal cell staining, the immunohistochemical analysis with highest possible sensitivity and lowest possible variability is critical to ensure that a negative reaction is true. The cocktail provides a simple, cost-effective improvement in basal cell immunohistochemical analysis of difficult prostate lesions.

Original languageEnglish (US)
Pages (from-to)517-523
Number of pages7
JournalAmerican Journal of Clinical Pathology
Volume122
Issue number4
DOIs
StatePublished - Oct 1 2004

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Prostate
Staining and Labeling
Carcinoma
Prostatic Intraepithelial Neoplasia
Hyperplasia
Needle Biopsy
Costs and Cost Analysis

Keywords

  • Basal cell cocktail
  • High-molecular-weight cytokeratin 34βE12
  • P63
  • Prostate carcinoma

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Usefulness of basal cell cocktail (34βE12 + p63) in the diagnosis of atypical prostate glandular proliferations. / Shah, Rajal B.; Kunju, Lakshmi P.; Shen, Ronglai; LeBlanc, Michele; Zhou, Ming; Rubin, Mark A.

In: American Journal of Clinical Pathology, Vol. 122, No. 4, 01.10.2004, p. 517-523.

Research output: Contribution to journalArticle

Shah, Rajal B. ; Kunju, Lakshmi P. ; Shen, Ronglai ; LeBlanc, Michele ; Zhou, Ming ; Rubin, Mark A. / Usefulness of basal cell cocktail (34βE12 + p63) in the diagnosis of atypical prostate glandular proliferations. In: American Journal of Clinical Pathology. 2004 ; Vol. 122, No. 4. pp. 517-523.
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