9 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... the nodules are diffuse ... Diagnosis #Radiology #Pulmonary ... HRCT #CTChest #NodularPattern
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Definition: Diffuse ... • Labs: CBC, cr ... , C3, C4, anti-CCP ... • CXR (diffuse ... resolution chest CT
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Nodular: • Random ... Sarcoidosis, NSIP, COP ... HighRes #Chest #CT
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Differential Diagnosis Algorithm ... Malformation Normal CXR ... /CT • Hematemesis ... • Bronchitis Diffuse ... CT Abnormalities
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... called cryptogenic (COP ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... mm) nodules • Diffusely ... differential #diagnosis #pulmonary ... #CXR #clinical ... #CT
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... consolidation and GG pattern ... eosinophilia pneumonia, Pulmonary ... lymphoma, Diffuse ... #BOOP #pulmonary
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
EGPA • ESR and CRP ... Other tests: • CT ... hemorrhage (DAH) • Diffuse ... seen on chest CT ... • IF staining patterns
Immune Checkpoint Inhibitor-Mediated Colitis
Grade of Disease Severity:
 • G1: Increase < 4 BMs/day over baseline; mild
, TSH, ESR, CRP ... Diff, Stool cx, ... +EGD): - Random ... Cross-sectional Imaging (MR/CT ... diagnosis #management #algorithm