21 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Vesicopustule on erythematous ... Discoid lupus erythematosus ... #joint #pain #skin ... #rashes #differential
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Pain - Differential ... Oligoarticular (1-4 joints ... Systemic Lupus Erythematosus ... JointPain #MSK #Differential
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... , Vasculitis (e.g ... Heberden's nodes (DIP joints ... #pain #differential ... #diagnosis #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... mainly or only during ... #Pain #MSK #rheumatology ... approach #workup #differential
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Systemic lupus erythematosus ... Sara Dong @swinndong ... #Aortitis #Differential ... #Diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... . hematologic) ... : • Joint pain ... arthropathy • 90% joints ... pancreatitis, protein-losing
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Using fluorescence ... Systemic lupus erythematosus ... Systemic lupus erythematosus ... ANA #patterns #rheumatology ... #diagnosis #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... taking a shower and moving ... Gonococcal/Lyme etc ... Joint #pain #Differential ... Diagnosis #MSK #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
surfaces of the joints ... purpuric macules • Erythematous ... • Ulcerated, erythematous ... reticularis Differential ... • Giant cell arteritis
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
juvenile idiopathic arthritis ... Systemic lupus erythematosus ... idiopathic arthritis ... systemic lupus erythematosus ... Treatment: • Corticosteroids