61 results
Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
Diagnostic algorithm ... HRCT = high-resolution ... computerised tomography; ILD ... fibrosis; UIP = ... #Algorithm #Diagnosis
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... centrilobular or random ... Random refers to ... Diagnosis #Radiology #Pulmonary ... #HRCT #NodularPattern
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... perilymphatic, random ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... is seen in: - UIP ... - Aspiration - Pulmonary ... Diagnosis #Radiology #Pulmonary ... #HRCT #ChestCT
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
hypersensitivity pneumonitis; HRCT ... computed tomography; UIP ... #pneumonitis #pulmonary ... #diagnosis #algorithm ... #HP #ILD
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Pneumonitis, RB-ILD ... , Amyloidosis, LIP ... Carcinomatosis • Random ... #Distribution #pulmonary
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... pneumonia and UIP ... Diagnosis #Radiology #Pulmonary ... #HRCT #ChestCT
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... in normal lung, pulmonary ... artifact); (G) UIP ... Clinical #Diagnosis #HRCT ... Correlation #Table #ILD
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... perilymphatic or random ... Diagnosis #Radiology #Pulmonary ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
lung diseases LIP ... I-JIP: usual interstitial ... AIP: acute interstitial ... ConnectiveTissueDiseases #ILD ... Comparison #Table #Pulmonary