51 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern 1. ... : ill defined centrilobular ... #Clinical #Radiology ... #HRCT #CTChest ... Nodular #Pattern #Comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
nodular pattern. 1. ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential #Comparison
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... - Aspiration - Pulmonary ... edema #Diagnosis ... #Radiology #Pulmonary
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Attenuation pattern (2) 1. ... specific interstitial pneumonitis ... #Clinical #Radiology ... #HRCT #CTChest ... HighAttenuation #Pattern #Comparison
Pulmonary complications of targeted therapy
-Immune checkpoint inhibitors (e.g. pembrolizumab)
-Pneumonitis is uncommon (~5% of patients) but can
Pulmonary complications ... -It’s a diagnosis ... during therapy. -1/ ... pneumonitis, but ... #Radiology #Honc
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
#Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Lung Findings on Chest ... CT 1. ... Patterns #Lung #Pulmonary ... #ChestCT #radiology ... #CTChest #diagnosis
Periprosthetic Aortic Valve Regurgitation Grading
 • Vena Contracta Area
 • Circumference
 • Jet Length
Mild - Moderate
• Jet Length Mild ... Moderate - Severe Mild ... : 1) 0.1 cm2 VC ... Classification #Criteria ... #Diagnosis #cardiology
ST Elevation Myocardial Infarction (STEMI)

Criteria:
• New ST-segment elevation at the J point in 2 contiguous leads
Infarction (STEMI) Criteria ... cutoff point as > 1 ... men > 40 years old ... Infarction #STEMI #diagnosis ... #cardiology
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
- Differential Diagnosis ... Hypersensitivity Pneumonitis ... Smoking, Alpha-1- ... #Differential #Diagnosis ... #pulmonary #radiology