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

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Pain Eyes ... Bacterial or viral infection ... Cardiomyopathies - Viral infection ... #pain #differential ... #diagnosis #rheumatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... - (Reiter’s syndrome ... within 1 month of infection ... Lupus - with Systemic ... Lupus Erythematosus
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... parvovirus B19 infection ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... differential #diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Lupus (SLE) General ... of hip (rare), Arthritis ... Demyelinating syndromes ... lesions Abdominal pain ... symptoms #diagnosis #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... spondyloarthropathies, lupus ... Lyme), reactive arthritis ... #Joint #Pain #MSK ... #rheumatology #
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Pain - Differential ... Genitourinary Infection ... • Systemic Lupus ... Sicca) Syndrome
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Framework Non-Infectious ... , Cogan's Syndrome ... (RA), Systemic ... lupus erythematosus ... Differential #Diagnosis #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... SLE), Sjogren's Syndrome ... , Sjögren Syndrome ... Lymphoproliferative Disorders, Infection ... ANA #patterns #rheumatology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
central nervous system ... malignomas, and infectious ... disease - systemic ... lupus erythematosus ... Vessels #Diagnosis #Rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lupus erythematosus ... • Fever is the main ... lupus erythematosus ... SLE], AOSD) • Infection ... #Rheumatology