PMC4629765_01
HRCT of the lungs showing diffuse ground glass opacity and fine reticulation with sparing of the immediate subpleural lung tissue on axial and sagittal planes.
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F0001
Chest high-resolution (HR) CT demonstrated lung fields with diffuse ground glass opacities (GGO) and fine sub-pleural reticulation with sparing of the immediate sub-pleural lung, a pattern compatible with non-specific interstitial pneumonitis (NSIP) (Fig. 1).
PMC4629765_02
CT of the lungs at the level of carina and right inferior pulmonary vein prior to treatment with rituximab (left panel), during treatment with rituximab (middle panel), and after discontinuation of rituximab and initiation of steroid treatment.
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F0002
Control HRCT of the chest after a month demonstrated reticulation with basal and peripheral predominance and relative sparing of the sub-pleural region, a pattern consistent with NSIP (Fig. 2).
PMC4629765_03
PMC4629765_04
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