6365 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... .2016.12.033 #Halo ... Sign #CT #Lung #Pulmonary ... #diagnosis #radiology
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Non-Infectious Differential Diagnosis ... organizing pneumonia, Pulmonary ... #Differential #Diagnosis ... #pulmonary
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
Lung Signs in Pulmonary ... Page Summary of Pulmonary ... Monod sign - Halo ... sign (reverse-halo ... #Diseases #diagnosis
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Reverse Halo Sign ... Halo Sign 6. ... Patterns #Lung #Pulmonary ... radiology #CTChest #diagnosis
Amiodarone Toxicity and Monitoring

Tremor Ataxia 
Ocular neuritis 
Corneal Microdeposits 
Bradycardia 
Pulmonary fibrosis 
Hepatotoxicity 
Blue-gray skin
Bradycardia Pulmonary ... Distribution - Half ... SideEffects #Adverse #Diagnosis
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... Differential Diagnosis ... • Vasculature: Pulmonary ... PulmPEEPs #Reverse #Halo ... #differential #diagnosis
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign (Reverse-Halo ... Atoll #Reverse #Halo ... Sign #CT #Lung #Pulmonary ... #diagnosis #radiology
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... of the reversed halo ... pneumonia; PZ, pulmonary ... #Diagnosis #Pulmonary
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
• Amiodarone half ... pneumonitis Diagnosis ... pneumonia - Pulmonary ... suggestive but not diagnostic ... #diagnosis #management
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
to transiently halt ... Diabetes Mellitus Half-and-Half ... #Differential #Diagnosis