23 results
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint Pain ... , Vasculitis (e.g ... conditions #joint #pain ... #differential # ... diagnosis #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... infection • Lyme disease ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... #rashes #differential
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... , Cogan's Syndrome ... Polyarteritis Nodosa (PAN ... (RA), Systemic lupus ... Sara Dong @swinndong
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Origin (FUO) - Differential ... Lemierre's syndrome ... Malignancy: - Hematologic ... ): Lupus, Rheumatoid ... (Temporal arteritis
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
PSS: Sjogren syndrome ... RA: rheumatoid arthritis ... SLE : systemic lupus ... CTILD #Diagnosis #Differential ... #Comparison #Table
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain ... - Differential ... • Systemic Lupus ... Sicca) Syndrome ... JointPain #MSK #Differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... Using fluorescence ... SLE), Sjogren's Syndrome ... , Sjögren Syndrome ... #diagnosis #differential
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 ... mainly or only during ... #MSK #rheumatology ... approach #workup #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... . hematologic) ... Joint pain • Swan ... pancreatitis, protein-losing ... vein thrombosis Hematologic
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
of hip (rare), Arthritis ... Demyelinating syndromes ... lesions Abdominal pain ... (20%) Renal disease ... erythematosus #signs