Fig. 1From: Thyroid Rosai-Dorfman disease with infiltration of IgG4-bearing plasma cells associated with multiple small pulmonary cystsNeck CT scan (axial reconstruction) showing a large right sided thyroid mass (asterisk) which caused marked tracheal deviation and stenosis (a). Thorax CT scan (coronal reconstruction) showing multiple cystic lesions with thin wall in both lungs (arrows) (b)Back to article page