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Interpretation of suspect head and neck fixations seen on PET/CT in lung cancer.

Abstract : Smoking is the major risk factor for lung and head and neck cancer. The purpose of the present study was to determine the clinical impact of serendipitously revealed head and neck fixation on PET/CT in patients undergoing investigation for lung cancer. The reports from PET/CT studies for patients with lung cancer from September 2005 and April 2012 were retrospectively reviewed. Head and neck incidentaloma was interpreted as suggestive of second primary malignancy. These incidental findings were compared with the final diagnosis obtained from clinical and histological investigation. Five hundred and ninety-two patients were investigated on PET/CT for lung cancer in the study period. PET/CT-positive head and neck lesions suggestive of second primary malignancy were found in 65 (11%) patients. Nasoendoscopy was performed in 23 patients and biopsy in 10. In 4 patients (17.4% of those explored), a second primary malignant lesion was proved on histology: 2 squamous cell carcinomas (larynx and oral cavity), 1 undifferentiated carcinoma (parotid), and 1 osteosarcoma (mandible). At a median 13 months' follow-up, 3 of the 4 patients with a second primary had died from disease-related causes and 1 was free of recurrence. Metastases from lung adenocarcinoma were found in 2 patients (0.34%). PET/CT detected incidental head and neck malignant tumors in at least 0.68% of lung cancer patients, but in 6.4% of those with suspect head and neck fixation.
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Contributor : Ghislaine Calvez Connect in order to contact the contributor
Submitted on : Friday, January 15, 2016 - 9:32:46 AM
Last modification on : Thursday, March 31, 2022 - 11:00:02 AM

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Y Gobel, G Valette, R Abgral, C Clodic, E Mornet, et al.. Interpretation of suspect head and neck fixations seen on PET/CT in lung cancer.. European Archives of Oto-Rhino-Laryngology, 2014, 131 (4), pp.217-21. ⟨10.1016/j.anorl.2013.06.004⟩. ⟨hal-01256583⟩



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