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Titolo:
Prognostic significance of p27 and Ki-67 expression in mucoepidermoid carcinoma of the intraoral minor salivary gland
Autore:
Okabe, M; Inagaki, H; Murase, T; Inoue, M; Nagai, N; Eimoto, T;
Indirizzi:
Nagoya City Univ, Sch Med, Dept Pathol, Mizuho Ku, Nagoya, Aichi 4678601, Japan Nagoya City Univ Nagoya Aichi Japan 4678601 Nagoya, Aichi 4678601, Japan Okayama Univ, Sch Dent, Dept Oral Pathol, Okayama 700, Japan Okayama UnivOkayama Japan 700 ent, Dept Oral Pathol, Okayama 700, Japan
Titolo Testata:
MODERN PATHOLOGY
fascicolo: 10, volume: 14, anno: 2001,
pagine: 1008 - 1014
SICI:
0893-3952(200110)14:10<1008:PSOPAK>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
DEPENDENT KINASE INHIBITOR; CELL-PROLIFERATION; PARAFFIN SECTIONS; P27(KIP1) EXPRESSION; CONTACT INHIBITION; NUCLEAR ANTIGEN; MIB-1 ANTIBODY; TUMORS; CYCLE;
Keywords:
p27; Ki-67; histologic grade; intraoral mucoepidermoid carcinoma; prognosis; survival analysis;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Inagaki, H Nagoya City Univ, Sch Med, Dept Pathol, Mizuho Ku, 1 Kawasumi, Nagoya, Aichi 4678601, Japan Nagoya City Univ 1 Kawasumi Nagoya Aichi Japan4678601 1, Japan
Citazione:
M. Okabe et al., "Prognostic significance of p27 and Ki-67 expression in mucoepidermoid carcinoma of the intraoral minor salivary gland", MOD PATHOL, 14(10), 2001, pp. 1008-1014

Abstract

p27 and Ki-67, a universal cyclin-dependent kinase inhibitor and a proliferative cell marker, respectively, have been useful in predicting clinical aggressiveness in various human tumors. We studied clinicopathologic significance of these molecules in mucoepidermoid carcinoma of the intraoral minorsalivary gland. Expression of p27 and Ki-67 was assessed Immunohistochemically in primary mucoepidermoid carcinomas from 31 patients without distant metastasis at surgery. Correlation each of p27 and Ki-67 expression was analyzed with various clinicopathologic parameters including age, sex, primarytumor site, tumor size, nodal metastasis, clinical stage, and histologic grade. The latter was evaluated using a point-scoring scheme of Auclair et al. that consists of five histologic factors (intracystic component, neural invasion, necrosis, mitosis, and anaplasla). p27 expression was correlated inversely with histologic grade (P=.007),but with none of other factors. When the correlation of p27 expression was further examined with each of the histologic factors, It was correlated significantly with intracystic component, but not with neural invasion, necrosis, mitosis, or anaplasla. Ki-67 expression was correlated significantly with histologic grade only in the clinicopathologic factors (P<.0001), and in the histologic factors, with necrosis, mitosis, and anaplasia. Multivariate prognostic analyses were performed to identify independent risk factors for both disease-free and overall survivals. Large tumor size (P=.031, relative risk=5.5) and low p27 expression (P=.012, relative risk=5.2) were risk factors for worse disease-free survival. Low p27 expression (P=.015, relative risk=15.2) was selected as a risk factor for worse overall survival. Other factors including age, sex, tumor site, nodal status, clinical stage, histologic grade, and Ki-67 did not emerge as independent risk factors in either prognostic analysis. These data suggest that p27 may be useful in estimating prognosis of the patients who have mucoepidermoid carcinoma of the intraoral minor salivary gland.

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Documento generato il 30/11/20 alle ore 07:01:24