title: Endotracheal metastasis from squamous cell cancer of the head and neck: PET/CT imaging.
abstract: Lung cancer is the main malignancy with frequent endotracheal and endobronchial dissemination. Extrapulmonary sources of airway metastasis are less common, predominantly seen with breast, colorectal, and renal neoplasms. Head and neck cancer represents only a small fraction of tumors with tracheal luminal metastasis. We present 2 such rare cases with F-18 FDG PET/CT imaging. These 2 companion cases show in one instance an obvious hypermetabolic endotracheal lesion and in the other one a discrete airway metastasis overlooked by chest CT and diagnosed by PET with coregistered CT.
authors.affiliation: Department of Radiology, Mayo Clinic, Scottsdale, Arizona 85259, USA. nguyen.ba@mayo.edu
authors.forename: Ba D
authors.initials: BD
authors.lastname: Nguyen
authors.forename: Panol C
authors.initials: PC
authors.lastname: Ram
authors.forename: Michael C
authors.initials: MC
authors.lastname: Roarke
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis* / Q000556:secondary*; D019788:Fluorodeoxyglucose F18; D006258:Head and Neck Neoplasms / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D049268:Positron-Emission Tomography / Q000379:methods*; D019275:Radiopharmaceuticals; D014057:Tomography, X-Ray Computed / Q000379:methods*; D014134:Tracheal Neoplasms / Q000175:diagnosis*
chemical_list: D019275:Radiopharmaceuticals; D019788:Fluorodeoxyglucose F18