19 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... “Bamboo Spine” Fusion ... arthritis - (Reiter’s syndrome ... Arthropathy with Crohn ... #Disorders #msk
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
: Hyperflexion injury ... that is fixed in flexion ... Mallet #Finger #Radiology ... #XRay #Diagnosis ... #Orthopedics #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Hyperextension injury ... Dislocation #IPJoint #Radiology ... #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Sarcoidosis • Crohn's ... gangrenosum • IBD ... Antiphospholipid-antibody syndrome ... Discoid skin lesions ... #differential #diagnosis
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
) - MSK Radiology ... Some studies point ... ) Differential diagnosis ... Salter Harris injury ... #diagnosis #msk
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
dislocated major joint ... , bony Bankart lesions ... Dislocation #Anterior #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
WITHOUT Bankart lesion ... Differential diagnosis ... capsuloligamentous injury ... mri #clinical #Radiology ... #diagnosis #msk
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... • Bursitis • IBD ... Repetitive strain injury ... Trauma • Crush injury ... lower #extremity #msk
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
to local skin injury ... artery aneurysms Diagnosis ... ) Differential Diagnosis ... Gastrointestinal : Crohn ... #diagnosis #management
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
dislocated major joint ... most common major joint ... Dislocation #Posterior #Radiology ... #XRay #Diagnosis ... #Sports #MSK