Kerly lines result fomr thickened connective tissue planes occurring as a result of pulmonary edema or carcinomatosis. Kerly A Lines: Radiate towards hila in mid- and upper-lung zones, 3-4 cm long, smaller than vascular markings (not useful) Kerly B Lines: Horizontal,...
Pulmonary Edema – Indistinct Pulmonary Vasculature Cardiogenic and overflow states can lead to pulmonary vessel distension. No image available
Reticular patterns: Thin, well-defined linear densities, often in net-like or “honeycomb” arrangement.
Reticulonodular patterns: A combination of reticular and nodular patterns. No image available
Nodular patterns: Multiple, discrete, nodular densities, <5 mm diameter. Right image depicts a close up of the pathology.
