21 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
lesions • Discoid lupus ... Sarcoidosis #dermatology ... #joint #pain #skin ... #rashes #differential ... #diagnosis #rheumatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Osteomyelitis / Septic Arthritis ... • Differentiate ... #Joint #Pain #SickleCell ... diagnosis #causes #hematology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... Pain Eyes ... Lyme disease, Vasculitis ... #pain #differential ... #diagnosis #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Polyarteritis Nodosa (PAN ... ANCA associated vasculitis ... (RA), Systemic lupus ... #Diagnosis #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Pain History ... • Ligament • Bone ... the subchondral bone ... #Pain #MSK #rheumatology ... approach #workup #differential
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... spondyloarthropathies, lupus ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Rheumatica • Pain ... with temporal arteritis ... Diffuse muscle pain ... Myopathies #myopathy #differential ... diagnosis #comparison #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... vesicular eruption • Joints ... Palpable purpura, joint ... involvement, abdominal pain ... Diagnosis #Rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... Differential Diagnosis ... - Autoimmune Rheumatologic ... Joint #pain #Differential ... Diagnosis #MSK #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... rapidly progressing GN ... vesicular eruption - Joints ... such as systemic lupus ... #rheumatology #