12 results
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Alveolar Proteinosis, Lymphoma ... Cystic Fibrosis, ABPA ... #CT #Patterns #
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... • Malignancy: Lymphoma ... #differential # ... diagnosis #pulmonary ... CXR #clinical #CT
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... #Differential # ... Diagram #Comparison
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... patterns. ... #Patterns #Pulmonary ... ComputedTomography #Differential ... #Diagnosis #Chest
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential # ... Comparison #Table
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Lymphocytic or lymphoid ... Kaposi's Sarcoma, Lymphoma ... CXR +/- High res CT ... chest scan), CBC ... diagnosis #evaluation #differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
coagulopathy) • CBC w differential ... Other tests: • CT ... CT ... • IF staining patterns ... Renal #Syndromes #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Hypersensitivity: ABPA ... high-resolution chest ... CT) • Broncho-arterial ... #differential #
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... in interstitial pulmonary ... of carcinoma or lymphoma ... of carcinoma or lymphoma ... #HRCT #CTChest
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
important finding on a chest ... has a limited differential ... or astmathics (ABPA ... Lobar #Collapse #Patterns ... #Comparison #RadiologyAssistant