7 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
disease comes from HRCT ... On HRCT there are ... low attenuation (table ... When the cysts have ... seen and in many cases
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... bizarre shaped cysts ... Clinical #Radiology #HRCT ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... multiple thick walled cysts ... (LAM): regular cysts ... Clinical #Radiology #HRCT ... #Comparison #Table
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... before the typical cysts ... Clinical #Radiology #HRCT ... CTChest #Nodular #Pattern ... #Comparison #Table
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Round, smooth cysts ... Lentiform/elliptical cysts ... Bizarre/irregular cysts ... - PLCH Round cysts ... pattern not consistent
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... consolidation and GG pattern ... , cavities • HRCT ... Pulmonary lymphoma, Diffuse ... ILD #diagnosis #management
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
capillaritis leading to diffuse ... hemorrhage (DAH) • Diffuse ... hematuria, RBC casts ... • IF staining patterns ... differential #diagnosis #management