PURPOSE: The aim of this study was to evaluate whether a virtual 3-D (18)F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/CT panendoscopy is feasible and can be used for noninvasive imaging of the upper airways and pharyngeal/laryngeal tumours. METHODS: From (18)F-FDG PET/CT data sets of 40 patients (29 men, 11 women; age 61 ± 9 years) with pharyngeal or laryngeal malignancies virtual 3-D (18)F-FDG PET/CT panendoscopies were reconstructed and the image processing time was measured. The feasibility of assessing the oral cavity, nasopharynx, tongue base, soft palate, pharyngeal tonsils, epiglottis, aryepiglottic folds, piriform sinus, postcricoid space, glottis, subglottis, trachea, bronchi and oesophagus and of detecting primary tumours was tested. Results of fibre-optic bronchoscopy and histology served as the reference standard. RESULTS: The nasopharynx, tongue base, soft palate, pharyngeal tonsils, epiglottis, subglottis and the tracheobronchial tree were accessible in all 40, and the aryepiglottic folds, posterior hypopharyngeal wall, postcricoid space, piriform sinus, glottis, oral cavity and oesophagus in 37, 37, 37, 37, 33, 16 and 0 patients, respectively. In all 12 patients with restricted fibre-optic evaluation due to being primarily intubated, the subglottis was accessible via virtual panendoscopy. The primary tumour was depicted in 36 of 40 patients (90 %). The mean processing time for virtual (18)F-FDG PET/CT panendoscopies was 145 ± 98 s. CONCLUSION: Virtual (18)F-FDG PET/CT panendoscopy of the upper airways is technically feasible and can detect pharyngeal and laryngeal malignancies. This new tool can aid in the complete evaluation of the subglottic space in intubated patients and may be used for planning optical panendoscopies, biopsies and surgery in the future.
PURPOSE: The aim of this study was to evaluate whether a virtual 3-D (18)F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/CT panendoscopy is feasible and can be used for noninvasive imaging of the upper airways and pharyngeal/laryngeal tumours. METHODS: From (18)F-FDG PET/CT data sets of 40 patients (29 men, 11 women; age 61 ± 9 years) with pharyngeal or laryngeal malignancies virtual 3-D (18)F-FDG PET/CT panendoscopies were reconstructed and the image processing time was measured. The feasibility of assessing the oral cavity, nasopharynx, tongue base, soft palate, pharyngeal tonsils, epiglottis, aryepiglottic folds, piriform sinus, postcricoid space, glottis, subglottis, trachea, bronchi and oesophagus and of detecting primary tumours was tested. Results of fibre-optic bronchoscopy and histology served as the reference standard. RESULTS: The nasopharynx, tongue base, soft palate, pharyngeal tonsils, epiglottis, subglottis and the tracheobronchial tree were accessible in all 40, and the aryepiglottic folds, posterior hypopharyngeal wall, postcricoid space, piriform sinus, glottis, oral cavity and oesophagus in 37, 37, 37, 37, 33, 16 and 0 patients, respectively. In all 12 patients with restricted fibre-optic evaluation due to being primarily intubated, the subglottis was accessible via virtual panendoscopy. The primary tumour was depicted in 36 of 40 patients (90 %). The mean processing time for virtual (18)F-FDG PET/CT panendoscopies was 145 ± 98 s. CONCLUSION: Virtual (18)F-FDG PET/CT panendoscopy of the upper airways is technically feasible and can detect pharyngeal and laryngeal malignancies. This new tool can aid in the complete evaluation of the subglottic space in intubated patients and may be used for planning optical panendoscopies, biopsies and surgery in the future.
Authors: David G Pfister; Kie-Kian Ang; David M Brizel; Barbara A Burtness; Anthony J Cmelak; A Dimitrios Colevas; Frank Dunphy; David W Eisele; Jill Gilbert; Maura L Gillison; Robert I Haddad; Bruce H Haughey; Wesley L Hicks; Ying J Hitchcock; Merrill S Kies; William M Lydiatt; Ellie Maghami; Renato Martins; Thomas McCaffrey; Bharat B Mittal; Harlan A Pinto; John A Ridge; Sandeep Samant; Giuseppe Sanguineti; David E Schuller; Jatin P Shah; Sharon Spencer; Andy Trotti; Randal S Weber; Gregory T Wolf; Frank Worden Journal: J Natl Compr Canc Netw Date: 2011-06-01 Impact factor: 11.908
Authors: H Makuuchi; T Machimura; H Shimada; K Mizutani; O Chino; Y Kise; T Nishi; H Tanaka; T Mitomi; M Horiuchi; M Sakai; J Gotoh; J Sasaki; Y Osamura Journal: Tokai J Exp Clin Med Date: 1996-10
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