10 results
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... trauma (e.g., meniscal ... necrosis, and Paget disease ... #Pain #MSK #rheumatology
Chondrocalcinosis: Calcium Pyrophosphate Dihydrate (CPPD) Deposition Disease

 - Acute CPPD precipitation into the joint space ->
) Deposition Disease ... - Acute CPPD ... polyarticular arthritis ... #Disease #Signs ... #Symptoms #Pathophysiology
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
swelling in weird joints ... • Underlying disease ... states Pathophysiology ... inflammatory arthritis ... Gout #Comparison #rheumatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
) - MSK Radiology ... mass and NO prior signs ... (RA, CPPD) - Can ... diffuse chondral disease ... #rheumatology
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
(CPPD) Pathophysiology ... swelling in weird joints ... metacarpophalangeal joints ... MCP or shoulder joints ... #Rheumatology #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
noninflammatory Signs ... - Autoimmune Rheumatologic ... Disease OLIGOARTHRITIS ... #Diagnosis #MSK ... #rheumatology #
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
of the Hip • Arthritis ... Chondrodysplasia Neurologic ... Trendelenburg #Gait #pathophysiology ... causes #symptoms #signs ... #diagnosis #msk
Popliteal (Baker’s) Cyst: Pathogenesis and clinical findings
 • Idiopathic
 • Meniscal Lesions
 • Osteoarthritis
 • Rheumatoid
Idiopathic • Meniscal ... • Rheumatoid Arthritis ... Popliteal #BakersCyst #MSK ... #pathophysiology ... #signs #symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... affects the skin, neurologic ... vesicular eruption • Joints ... Palpable purpura, joint ... Differential #Diagnosis #Rheumatology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
pulmonary symptoms • Rheumatologic ... muscle aches, joint ... extrapulmonary disease ... Aspergillosis Pathophysiology ... Meningitis, septic arthritis