11 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... lesions • Discoid lupus ... erythematosus ... #dermatology ... differential #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Non-autoimmune rheumatologic ... : • Joint pain ... Chronic B-cell activation ... #Diagnosis #Rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... erythematosus ( ... erythematosus ( ... : Lupus (SLE), Systemic ... ANA #patterns #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Polyarteritis Nodosa (PAN ... (RA), Systemic lupus ... erythematosus ( ... SLE), Sarcoidosis ... Differential #Diagnosis #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Manifestations: - Arthritis ... #Erythematosus ... autoantibodies #signs ... #differential #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
of hip (rare), Arthritis ... lesions Abdominal pain ... (20%) Renal disease ... #erythematosus # ... signs #symptoms
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... erythematosus ... SLE], AOSD) • Infection ... Diagnosis #Management #Hematology ... #Rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
noninflammatory Signs ... - Autoimmune Rheumatologic ... • SLE • Psoriatic ... Symmetrical: • RA • SLE ... Diagnosis #MSK #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... erythematosus, ... purpura: strong sign ... vasculitis, and SLE ... differential #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, such as SLE, atherosclerotic ... purpura: Strong sign ... ischemia • Skin: Erythematous ... tract: Abdominal pain ... Differential #Diagnosis #Rheumatology