Silicosis other imaging findings: Difference between revisions
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●FDG-PET scan – Fluorine-18-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET) scans are often used to differentiate benign from malignant lung lesions. However, FDG-PET is often positive in PMF in the absence of malignancy or infection. The uptake of PMF lesions on FDG-PET scans was evaluated in a series of nine patients with 14 masses, ranging in size from 1.2 to 6.4 cm in maximum diameter [80]. The maximal standard uptake value (SUV) ranged from 3.1 to 14.6 and mean SUV ranged from 1.4 to 8.5. An SUV exceeding 2.5 is generally considered highly suggestive of malignancy or active inflammation. (See "Computed tomographic and positron emission tomographic scanning of pulmonary nodules", section on 'Positron emission tomography (PET)'.) | |||
Revision as of 13:58, 19 June 2015
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●FDG-PET scan – Fluorine-18-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET) scans are often used to differentiate benign from malignant lung lesions. However, FDG-PET is often positive in PMF in the absence of malignancy or infection. The uptake of PMF lesions on FDG-PET scans was evaluated in a series of nine patients with 14 masses, ranging in size from 1.2 to 6.4 cm in maximum diameter [80]. The maximal standard uptake value (SUV) ranged from 3.1 to 14.6 and mean SUV ranged from 1.4 to 8.5. An SUV exceeding 2.5 is generally considered highly suggestive of malignancy or active inflammation. (See "Computed tomographic and positron emission tomographic scanning of pulmonary nodules", section on 'Positron emission tomography (PET)'.)