86 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Differential #Comparison ... #Table #RadiologyAssistant
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
Lymphangiomyomatosis, LIP and ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cystic #Comparison ... Histiocytosis #RadiologyAssistant
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... Discharge with orthopedic ... Wrist #Carpal #Radiology ... #Sports #MSK
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
next to pleura and ... #Clinical #Radiology ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Sister had MI in ... RV, McConnell's sign ... Echocardiogram #A4c #clinical ... #cardiology #McConnells ... #sign #ClotInTransit
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Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
smoking; adenopathy and ... multiple round and ... #Clinical #Radiology ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Parasternal Short axis, fan proximal and look for Aortic Valve in a plane shows all three
, fan proximal and ... "Mercedes Benz Sign ... Aorta #mercedes #sign ... Echocardiogram #POCUS ... #Clinical #cardiology
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On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
the appropriate clinical ... setting (asthma and ... #Clinical #Radiology ... FingerInGlove #Sign ... #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
fibrosis perihilar and ... #Clinical #Radiology ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... onto outstretched hand ... Scaphoid #Carpal #Radiology ... #Sports #MSK