A multiple primary carcinoma consisting of leukoplakia and SCC: a case report with p53 mutation analysis.

Abstract:

:Patients with an oral squamous cell carcinoma (OSCC) often develop multiple malignant lesions. This report examined whether individual tumours developed in a patient show the same genetic alteration, such as p53 mutations. This case study describes three SCCs and three leukoplakias which developed simultaneously in a single 67-year-old Japanese man. A p53 mutation was detected in two of the three SCCs and one of the three leukoplakias. One SCC had a missense mutation at codon 285 (GAG>AAG, Glu>Lys) and the other a nonsense mutation at codon 336, and the leukoplakia had a missense mutation at codon 273 (CGT>CAT, Arg>His). This case showed that individual oral tumours may have different genetic changes even when they develop in a single patient. Therefore, this report provided strong evidence that in cases of multiple tumours it is necessary to design tailor-made therapies for each individual tumour rather than a single standardised therapy for all multiple tumours.

journal_name

Anticancer Res

journal_title

Anticancer research

authors

Hassan NM,Tada M,Shindoh M,Hamada J,Kashiwazaki H,Shimo T,Ashikaga Y,Yamazaki Y,Sasaki A,Moriuchi T,Inoue N

subject

Has Abstract

pub_date

2010-11-01 00:00:00

pages

4773-8

issue

11

eissn

0250-7005

issn

1791-7530

pii

30/11/4773

journal_volume

30

pub_type

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