11 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest ... CT 1. ... Reverse Halo Sign ... Halo Sign 6. ... #Pulmonary #ChestCT
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... cavity • DDx: ... .2016.12.033 #Monod #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
evidence of a chest ... infiltrate (e.g., CXR ... , CT, ultrasound ... Inflammation (e.g., fever ... pain) and signs
Good example of 'shred sign' in a patient with fever, cough and shortness of breath. 

This
example of 'shred sign ... multifocal pneumonia on CXR ... /CT imaging. ... eabramsMD #Shred #sign ... #lung #pulmonary
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 angiography. ... #Cardiology #HamptonHump
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... • CT: Halo sign ... Lymphadenopathy, Chest ... , cough and cavitary ... Infections #HIV #AIDS #pulmonary
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Community Acquired ... Management Pneumonia Signs ... • Pleuritic chest ... radiograph or CT ... Management #treatment #Pulmonary