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Lookup NU author(s): Professor Peter Thomson, Omar Hamadah
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Field cancerisation within the oral cavity risks multiple primary tumour development. Whilst multi-focal disease may ultimately affect up to 24% of oral cancer patients, a particular management problem is encountered with those patients presenting with pan-oral dysplasia. In an attempt to characterise the extent of dysplasia and to quantify the risk of malignant change, examination under anaesthesia (EUA) and multiple, 'field mapping biopsies' were carried out for 16 consecutive patients presenting with pan-oral disease. Seventy lesions, predominantly homogenous leukoplakias, were biopsied primarily showing hyperkeratosis or mild dysplasia histologically. More significant dysplasia was seen to affect the faucial pillars, floor of mouth and ventral tongue. Interventional CO2 laser surgery was used to excise 11 severely dysplastic lesions in six patients. Field mapping appears effective in the initial identification and treatment of the most significant areas of dysplasia in patients with multi-focal precancer. Longitudinal, multi-centre trials are now required. © 2005 Elsevier Ltd. All rights reserved.
Author(s): Thomson PJ, Hamadah O
Publication type: Article
Publication status: Published
Journal: Oral Oncology
Year: 2007
Volume: 43
Issue: 1
Pages: 20-26
Print publication date: 01/01/2007
ISSN (print): 1368-8375
ISSN (electronic): 1741-9409
Publisher: Pergamon
URL: http://dx.doi.org/10.1016/j.oraloncology.2005.12.019
DOI: 10.1016/j.oraloncology.2005.12.019
PubMed id: 16757199
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