Fig. 15
From: Imaging features and differential diagnoses of non-neoplastic diffuse mediastinal diseases
Pulmonary lymphangiomatosis. A patient with diffuse pulmonary lymphangiomatosis. Such an infiltration that may not be differentiated from another diffuse, soft tissue mediastinal disease is well assessed on a coronal (a) and an axial (b) slice. Note the associated right pleural involvement (a–c), with thickening of the pulmonary peribronchovascular bundles and interlobular septae (arrows in c) that reflect lymphatic distribution