8 results
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... CT • Central GGO ... circumferential denser consolidation ... .2016.12.033 #Atoll ... #CT #Lung #Pulmonary
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 ... Consolidation 7. ... Organizing Pneumonia ... #Pulmonary #ChestCT
Good example of 'shred sign' in a patient with fever, cough and shortness of breath. 

This
example of 'shred sign ... signifies subpleural consolidation ... on CXR/CT imaging ... photo #ultrasound #lung ... #pulmonary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... dyspnea • Lobar consolidation ... : • Upper lung ... Infections #HIV #AIDS #pulmonary
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
Lung infarction ... In pulmonar embolism ... On the CT we can ... Clinical #Radiology #CXR ... LungInfarct #Infarct #PulmonaryEmbolism
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... in particular) Evaluation ... : Imaging (CXR ... +/- High res CT ... workup #diagnosis #evaluation
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
is a radiologic sign ... periphery of the lung ... confirmed with chest CT ... #photo #CXR #EmergencyMedicine ... HamptonHump #PE #PulmonaryEmbolism
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Nasal polyps and signs ... centrilobular nodules, or consolidation ... in the adjacent lung ... of the affected lung ... high-resolution chest CT