14 results
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Cubital Tunnel Syndrome ... pain • + elbow ... flexion test ... #Diagnosis #pathophysiology ... signs #symptoms #msk
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Positive pathergy test ... is a skin prick test ... ) Differential Diagnosis ... Nonsurgical abdominal pain ... signs #symptoms #rheumatology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... syndromeArthritis ... Legg-Calve-Perthes disease ... Sciatica • Tarsal tunnel ... lower #extremity #msk
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Symptoms of Joint Disease ... categories of joint disease ... both at rest and ... #MSK #rheumatology ... #differential #diagnosis
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
, elbows) • Underlying ... disease states ... onset of swelling, pain ... • Metabolic syndrome ... Gout #Comparison #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... • Fever is the main ... Liver function tests ... #Syndrome #Diagnosis ... #Rheumatology
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
, elbows) • Underlying ... onset of swelling, pain ... Crowned Dens Syndrome ... with acute neck pain ... #Rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Non-autoimmune rheumatologic ... Joint pain • Swan ... Chronic B-cell activation ... #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... • Cogan Syndrome ... , testes -> pain ... retinopathy Lab Tests ... #rheumatology #
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
osteomyelitis, Rheumatoid arthritis ... the extent of disease ... : • Nephrotic syndrome ... syndrome Muscles ... Inflammation → Macrophage activation