20 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Comparison #Table
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... Scaphoid #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Diagram of different types of bone tumors that can occur around the knee on XRay -
blade of grass sign ... degenerative subchondral cyst ... #Bone #Tumors #Diagnosis ... #Differential #Radiology ... #XRay #msk #lesions
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow Dislocation ... can't make A-OK sign ... #Posterior #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
around the knee on XRay ... blade of grass sign ... #Differential #Diagnosis ... #Radiology #XRay ... #MSK #pediatrics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... injuries: Perilunate dislocation ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder Dislocation ... Pathogenesis, clinical ... on axillary x-ray ... #Diagnosis #signs ... #symptoms #msk
X-ray limitations
It’s important to know the limitations of X-rays so we can correctly interpret them in
X-ray limitations ... interpret them in clinical ... Care UltraSound (POCUS ... #Diagnosis #Radiology ... #Limitations #Comparison
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... • If stable ... Forearm #Ulnar #Radiology ... #XRay #Diagnosis ... Orthopedics #Proximal #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... injury, elbow dislocation ... Fracture #Elbow #Radiology ... #XRay #Diagnosis ... #Orthopedics #MSK