27 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... ARDS 3. ... #Pulmonary #ChestCT ... #radiology #CTChest ... #diagnosis
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
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Berlin criteria ... Acute onset over 1 ... be detected on CT ... the underlying cause ... Summary #CheatSheet #Diagnosis
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign (Reverse-Halo ... CT • Central GGO ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Berlin Criteria ... be present on a chest ... computed tomographic (CT ... lobar collapse, lung ... #Diagnosis #CriticalCare
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
CT • Variable ... CT in a lobular ... • DDx: BO, CTEPH ... #Lung #Pulmonary ... #diagnosis #radiology
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
periphery of the lung ... hump along may aid ... in the diagnosis ... In this case, pulmonary ... CT angiography.
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
CT • Thickened ... pna, pulm hge, ARDS ... #Paving #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
to perfusion: 3:1) ... a rigid chest cage ... Silicosis - Coal worker ... #differential #diagnosis ... #STARCHASERS #radiology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... scattered, small (1 ... throughout the lungs ... #diagnosis #pulmonary ... CXR #clinical #CT