45 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
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
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
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
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Differential/diagnosis ... RV, McConnell's sign ... Echocardiogram #A4c #clinical ... #cardiology #McConnells ... #sign #ClotInTransit
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... can't make A-OK sign ... Dislocation #Posterior #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... onto outstretched hand ... Elbow #Humerus #Radiology ... #XRay #Diagnosis ... #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to be clinically ... Mallet #Finger #Radiology ... #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Radiology Imaging ... NO prior signs ... Therefore, the hand ... surgeon had a clinical ... #Radiology #diagnosis
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... onto outstretched hand ... Fracture #Elbow #Radiology ... #XRay #Diagnosis ... #MSK