Faces of Flat Lesions in the Lung

Infiltrative Disease
Amyloid

Amyloid Nodule with a Flat Surface Abutting the Fissure
CT scan in a patient with history of amyloidosis shows a focus of amyloid accumulation with a flat side abutting the fissure indicating that it is a relatively soft lesion
Ashley Davidoff
TheCommonVein.net b11710
Fissural Based Amyloid Nodule and Centrilobular Nodules
Axial CT images through the chest shows a Fissural based amyloid nodule along the left major fissure (a,b) Images c and d show posterior peripheral centrilobular nodules. In image c the nodules are associated with mosaic attenuation. The ground glass nodule in d could reflect alveolar septal disease withground glass changes surrounding a centrilobular nodule
Ashley Davidoff Boston Medical Center TheCommonvein.net LV-014c