25 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... low attenuation (table ... Diagnosis #Radiology #Pulmonary ... #Pattern #Differential
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... Diagnosis #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Aspiration - Pulmonary ... Diagnosis #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... listed in the table ... left in order of relative ... morphologic findings on HRCT ... Diagnosis #Radiology #Pulmonary
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial ... AIP: acute interstitial ... CTILD #Diagnosis #Differential ... #Comparison #Table ... #Pulmonary #Rheumatology
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Thickening of the interstitium ... resolution of the HRCT ... the alveoli) or interstitial ... Diagnosis #Radiology #Pulmonary ... #GroundGlass #Differential
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
Known Cause - Differential ... Pneumonitis • Treatment ... #ILD #Causes #Differential ... #Diagnosis #interstitial ... lung #disease #pulmonary
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
has a limited differential ... diagnosis (Table ... pulmonary edema ... #HRCT #CTChest ... SeptalThickening #Differential
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Artery Disease • Stable ... Interstitium ... Vessels • Pulmonary ... #Dyspnea #SOB #Differential
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
bronchovascular interstitium ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... MultipleNodules #Nodules #Differential