26 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... LIP #Clinical #Diagnosis ... #Radiology #CTChest ... Comparison #Table #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Aortic Stenosis - Diagnosis and Stages

Clinical Presentation
- Exertional dyspnea
- Chest pain
- Palpitations
- HF Symptoms (orthopnea, PND,
Aortic Stenosis - Diagnosis ... Exertional dyspnea - Chest ... Palpitations - HF ... Stages #Management #Signs ... #Symptoms #Cardiology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... to diagnosis scapholunate ... ("Terry Thomas sign ... 1 week MH/CCF ... Orthopedics #Sports #MSK
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
More Specific Signs ... Less Specific Signs ... Chest x-ray: signs ... → no signs of CXR ... #management #cardiology
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... 1 week MH/CCF ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
the only way to detect ... a patient with signs ... of CHF. ... #Clinical #Radiology ... SubpulmonicEffusion #RadiologyAssistant
Polo Mint Sign on Chest CT
 • Partial filling defect in a blood vessel surrounded by
Polo Mint Sign on ... filling defect ... #Polo #Mint #Sign ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... can't make A-OK sign ... Elbow #Humerus #Radiology ... #XRay #Diagnosis ... #Orthopedics #MSK
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Findings: • Large defect ... Differential diagnosis ... GAGL): "Reverse J sign ... mri #clinical #Radiology ... #diagnosis #msk