32 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... : 'signet ring sign ... emphysema: no walls ... central dot. - LIP #Clinical ... #Diagnosis #Radiology
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis (LAM ... ): uniform cysts ... areas without walls ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
areas without walls ... Lymphangiomyomatosis (LAM ... ): regular cysts ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest wall ... There is a lung cyst ... #Clinical #Radiology ... #CXR #Pneumothorax ... #RadiologyAssistant
Pes Anserine Bursitis - MSK Radiology
Imaging Findings:
 • T2-hyperintense fluid-like signal along the medial aspect of
- MSK Radiology ... include bursal wall ... #mri #clinical ... #Radiology #diagnosis ... #msk
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Specific for critical ... acute anterior wall ... MI — 'widow maker ... Electrocardiogram #Diagnosis #Cardiology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... MH/CCF/CWRU EM Res ... Scaphoid #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
90% are smokers, cysts ... no perceptible wall ... typical case of LAM ... #Clinical #Radiology ... #Cystic #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
attached to the chest wall ... There is a lung cyst ... #Clinical #Radiology ... #CXR #Pneumothorax ... #RadiologyAssistant
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
• Mechanism: Fall ... MH/CCF/CWRU EM Res ... Wrist #Carpal #Radiology ... #Orthopedics #Sports ... #MSK