32 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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or air-filled lesions ... #Diagnosis #Radiology ... LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Diagnosis- Compatible syndrome ... + MRI lesions + ... #Brain #differential ... diagnosis #causes #radiology
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Channelopathies: Long/short ... QT syndromes, Brugada ... Acquired long QT syndrome ... Cardiac #Arrest #cardiology ... #differential #
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Clinical #Diagnosis #Radiology ... Cystic #Cysts #Differential ... #Comparison #Table ... #RadiologyAssistant
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... Metastasis #Liver #Lesions ... CT #MRI #POCUS #radiology ... #differential # ... diagnosis #comparison
Solid pulmonary nodules can represent various etiologies:
- benign granulomas
- focal scar
- intrapulmonary lymph nodes
- primary malignancies
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that can help to differentiate ... and malignant lesions ... #Diagnosis #Radiology ... PulmonaryNodule #Followup #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Clinical #Diagnosis #Radiology ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Appearance of Liver Lesions ... Metastasis #Liver #Lesions ... ComputedTomography #CT #radiology ... #differential # ... diagnosis #comparison
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
ECGs - Syncope Syndromes ... delta wave and short ... mchlwng #Syncope #Syndromes ... Checklist #diagnosis #cardiology ... electrocardiogram #differential
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential ... Mpox • Starts ... SAPHO syndrome ( ... Sweet syndrome