High metabolic activity in positron emission tomography and systemic inflammation occurring years after exposure cessation in engineered stone silicosis.

With respect to the pulmonary function tests, the SUVmax was significantly and inversely correlated with various bronchial obstruction indices, such as the percentage of FEV 1 ( ρ = − 0.562, P = 0.019) and the FEV 1 /FVC ratio ( ρ = − 0.565, P = 0.018); however, the SUVmax was not significantly correlated with the percentage of DLCOc (ρ = − .283, P = 0.348) or FVC ( ρ = − 0.468, P = 0.058), although the latter correlation demonstrated borderline significance.

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