32 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... Diagnosis and Workup ... Necrotizing Pneumonia ... Autoimmunity: RA, GPA ... #Disease #Diagnosis
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... Lung #Signs #Pulmonary ... #Diseases #diagnosis ... #differential # ... radiology
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Differential Diagnosis ... Dermatomyositis, Lung ... Reverse #Halo #Sign ... #Differential #
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... , pulm AVM, GPA ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... mueormycosis, GPA ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Diagnosis Framework ... • CT: Halo sign ... #Infections #HIV
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary infections ... according to CT-scan ... Patterns #Pulmonary #Lung ... #Differential # ... Diagnosis #Chest
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Findings on Chest CT ... Organizing Pneumonia ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... throughout the lungs ... rarely typical pneumonia ... #differential # ... CXR #clinical #CT
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Streptococcus Grp ... failure, COPD, Lung ... CXR +/- High res CT ... HIVAIDS #workup #diagnosis ... #evaluation #differential