11 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... the nodules are diffuse ... Diagnosis #Radiology #Pulmonary ... HRCT #CTChest #NodularPattern ... MultipleNodules #Nodules #Differential
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
of Hemoptysis - Differential ... Diagnosis Algorithm ... Malignancy • Bronchiectasis ... • Bronchitis Diffuse ... CT Abnormalities
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 • Bronchiectasis ... #Patterns #Differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Miliary TB: random ... Diagnosis #Radiology #Pulmonary ... #NodularPattern ... #Differential #
Bronchiectasis: diagnosis and management 

Causes of localized -> diffuse bronchiectasis
Foreign body, Bronchial stenosis (tumor, .. ),
Bronchiectasis: ... of localized -> diffuse ... diagnosis #management #Differential ... #workup #algorithm ... #pulmonary
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... mm) nodules • Diffusely ... process or (rarely) diffuse ... #diagnosis #pulmonary ... CXR #clinical #CT
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
Bronchiectasis - ... CAN YOU SEE ON CT ... lobe of lung) 2) Diffuse ... #pulmonary #diagnosis ... #differential #
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Heart Failure - Differential ... Diagnosis Algorithm ... Disease • Diffuse ... Infection • Bronchiectasis ... #Diagnosis #Algorithm
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... capillaritis leading to diffuse ... hemorrhage (DAH) • Diffuse ... seen on chest CT ... • IF staining patterns
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... perilymphatic or random ... lymphadenopathy, traction bronchiectasis ... Diagnosis #Radiology #Pulmonary ... Interpretation #Algorithm