15 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
COVID-19 Patterns ... CT 1. ... Organizing Pneumonia ... Patterns #Lung #Pulmonary ... #ChestCT #radiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
CT: Halo sign ... , erythematous nodules ... consolidation or nodular ... myalgia • Lung nodules ... Infections #HIV #AIDS #pulmonary
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
Pulmonary Nodule ... Pulmonary nodules ... 6 mm to 8 mm can ... CT in 6 to 12 months ... Management options
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Low Attenuation Nodular ... Hypersensitivity Pneumonia ... #CT #Patterns # ... #radiology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... small (1 -4 mm) nodules ... rarely typical pneumonia ... #diagnosis #pulmonary ... CXR #clinical #CT
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
nodules, asthma ... vasculitis, ulcers, nodules ... Other tests: • CT ... CT ... differential #diagnosis #management
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
and Management ... • Pleuritic chest ... radiograph or CT ... #Management #treatment ... #Pulmonary #Community
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
mediastinal lymph nodes ... mediastinal lymph nodes ... • Recurrent pneumonia ... into the aorta or pulmonary ... CT • Bronchoscopy
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
treatment) • Can ... nodules and masses ... Pleuritic chest ... • Reticular + Nodular ... #diagnosis #management
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
for follow-up of nodules ... scans, which can ... #Management #Radiology ... #CTChest #Fleischner ... Society #Followup #Pulmonary