96 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... Comparison #Table #RadiologyAssistant
Landolfi’s Sign on Physical Exam

A 73-year-old man presented with shortness of breath. On ocular exam, pupil
Landolfi’s Sign ... On ocular exam, ... #PhysicalExam #Clinical ... #Video #Ocular ... AorticRegurgitation #Cardiology
Parasternal Short axis, fan proximal and look for Aortic Valve in a plane shows all three
"Mercedes Benz Sign ... Aorta #mercedes #sign ... #Echocardiogram ... #POCUS #Clinical ... #cardiology #PSAX
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... #Clinical #Radiology ... SilhouetteSign #RadiologyAssistant
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Embolism on POCUS Echocardiogram ... RV, McConnell's sign ... #A4c #clinical ... #cardiology #McConnells ... #sign #ClotInTransit
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... histiocytosis: early nodular ... #Clinical #Radiology ... HRCT #CTChest #Nodular ... Comparison #Table #RadiologyAssistant
On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
the appropriate clinical ... #Clinical #Radiology ... FingerInGlove #Sign ... #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... #Clinical #Radiology ... HRCT #CTChest #Nodular ... Comparison #Table #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
opacities - Fine Nodular ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... Consolidation #Patterns #RadiologyAssistant
Severe Left Atrial Enlargement on Echocardiogram
Have you ever seen a left atrium this big!?!? 
LA diameter
Enlargement on Echocardiogram ... LAESV index > 160 mL ... Enlargement #Severe #Cardiology ... #Echocardiogram ... #Clinical #POCUS