28 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... Scleroderma Thickened skin ... arthritis Discoid skin ... #skin #rashes # ... differential #diagnosis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... thrombophlebitis Skin ... band syndrome • Shin ... Brittle nails - Skin ... skin • Inflammation
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... Polyneuropathy, Cranial nerve ... lesions Abdominal pain ... (20%) Renal disease ... #erythematosus
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... Associated with skin ... • MCTD (SLE/systemic ... #Lupus #Erythematosus ... #rheumatology #management
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... Cryoglobulinemic Vasculitis - Skin ... glomerular ischemia - Skin ... Small Vessels: Skin
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Polyangiitis (GPA) Skin ... vasculitis Skin ... also occur Skin ... 16%) • Painful skin ... Skin Biopsy
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Interstitial lung disease ... and C viruses. systemic ... lupus erythematosus ... in absence of skin ... Vasculitides #vasculitis #differential
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
trauma leads to skin ... Papulonodular, erythematous ... , painless, no systemic ... biopsy preferred Differential ... Infection #clinical #photo
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... arthritis - with the skin ... autoimmune disease ... Lupus Erythematosus ... Disorders #msk #Differential
MIAMI Mnemonic for Differential Diagnosis of Lymphadenopathy
Malignancies
 - Kaposi sarcoma, leukemias, lymphomas, metastases, skin neoplasms
Infections
 -
MIAMI Mnemonic for Differential ... lymphomas, metastases, skin ... , systemic lupus ... erythematosus ... MIAMI #Mnemonic #Differential