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DAFE autofluorescence assessment of oral cavity, larynx and bronchus in head and neck cancer patients.

Abstract：

:Head and neck (H&N) cancer patients have a high incidence of local field change as well as second primary lung tumours. We have applied the Wolf Diagnostic Autofluorescence Endoscopy (DAFE) system in a novel way, combining autofluorescence evaluation of both H&N region and bronchial. New H&N cases as well as "old" cases with symptoms were included. The DAFE procedure was done separate to panendoscopy. The H&N region was examined first; images were recorded of the known primary with reference to subsequent resection margins, as well as of adjacent mucosa inspecting for additional abnormal sites. Then autofluorescence bronchoscopy was performed. Changes in management were only on the basis of histology taken because of abnormal autofluorescence. One hundred and seven cases were referred, including 96 new cases and 11 old cases. Autofluorescence examination of H&N detected sites which led to change of management in 11 patients. This included additional sites in nine patients (which then either had extra surgery or radiotherapy as a result) and wider resection margins were made possible in two patients. In the bronchus there were 21 significant lesions in 16 patients. Immediate management change occurred in one invasive cancer, two microinvasive carcinomas and three carcinomas in situ (in four patients). There were 15 sites of severe and moderate dysplasia in 12 patients. None of these bronchoscopic lesions were detectable on CT chest. Therefore, overall an immediate change in management occurred in 15 of 107 patients (14% of patients). This combined procedure yielded a significant number of lesions particularly as a simple addition to preoperative work-up in new H&N cancer cases.

journal_name

Photodiagnosis Photodyn Ther

journal_title

Photodiagnosis and photodynamic therapy

authors

Fielding D,Agnew J,Wright D,Hodge R

doi

10.1016/j.pdpdt.2006.07.004

subject

Has Abstract

pub_date

2006-12-01 00:00:00

pages

259-65

issue

4

eissn

1572-1000

issn

1873-1597

pii

S1572-1000(06)00113-X

journal_volume

3

pub_type

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