93 results
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
CT • Distinct ... pulmonary vessel ... #Vessel #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Exposure-Related ... • Idiopathic pulmonary ... Acute, Chronic • Pulmonary ... #diagnosis #differential ... #pulmonary #causes
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
CT • SPN or mass ... sarcoidosis, mets to the lung ... #Halo #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... edema #Diagnosis ... #Radiology #Pulmonary ... HRCT #ChestCT #Differential
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... - Differential ... • Treatment Related ... #lung #disease ... #pulmonary
False Positive Lung Point on POCUS
Lung-Cardiac Point and Lung-Diaphragm Point
These images highlight selected differentials to pleural
Point on POCUS ... in pneumothorax-related ... lungdiaphragam #ultrasound #pulmonary ... #differential # ... diagnosis #mimics
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 ... CT 1. ... #Pulmonary #ChestCT ... #radiology #CTChest ... #diagnosis
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
CT • Patent airways ... surrounded by opacified lung ... edema, severe ILD ... #Lung #Pulmonary ... #diagnosis #radiology
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
CT • Parallel, ... extending to the lung ... bronchiectasis, CF, ILD ... #Lung #Pulmonary ... #diagnosis #radiology
Signet Ring Sign on Chest CT
 • Prominently dilated airway compared to its accompanying pulm vessel.
CT • Prominently ... dilated airway ... Signet #Ring #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology