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Role of PET Role of PET-CT in Pulmonary Malignancy

Role of PET Role of PET-CT in Pulmonary Malignancy

Role of PET Role of PET-CT in Pulmonary Malignancy

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<strong>CT</strong> SCAN T1 periphery without t node enlargement : N2 +ve16% N2 disease, chest <strong>CT</strong> scans had sensitivity andspecificity rates <strong>of</strong> 69% and 71%, respectively chest <strong>CT</strong> scan plus mediast<strong>in</strong>oscopy wassignificantly more accurate ( 89% versus 71%)thanus<strong>in</strong>g the chest <strong>CT</strong> scan alone for identify<strong>in</strong>g N2disease. Arita et al : lung cancer metastases to normalsize mediast<strong>in</strong>al lymph nodes : 16% false-negative chest <strong>CT</strong> scans with histologicidentification <strong>of</strong> occult N2 or N3 disease.

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