32 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Lyme disease Erythema ... Hypersensitivity vasculitis ... Antiphospholipid-antibody syndrome ... • Vasculitis ... Sarcoidosis #dermatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Erythema elevatum ... : • Temporal arteritis ... • Takayasu's arteritis ... Disease • Cogan syndrome ... #skin #dermatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
GI - Felty syndrome ... Wilson's disease Pulmonary ... Spondyloarthropathies, SLE • Pulmonary ... Lyme disease, Vasculitis ... , Marfan syndrome
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Sarcoidosis or Lofgren's syndrome ... Giardiasis #Erythema ... Differential #Diagnosis #Dermatology ... #SkinRash
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... ANCA-positive vasculitis ... ANCA-negative vasculitis ... IgA-associated vasculitis ... erythematosus, Rheumatoid arthritis
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Rheumatoid Arthritis ... Tunnel, Sicca Syndrome ... Disease, Rheumatoid Vasculitis ... Rheumatoid Nodules, Pulmonary ... #Rheumatoid #Arthritis
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, small-vessel vasculitis ... panuveitis, retinal vasculitis ... acneiform lesions, erythema ... like lesions, erythema ... MCC-small vessel vasculitis
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
diseases, Toxic shock syndrome ... Noninfectious: SJS/TEN, Erythema ... , DRESS, Sweet syndrome ... , Vasculitis SCVMC ... Differential #Diagnosis #dermatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Pathophysiology: ... trauma, infection, vasculitis ... process such as vasculiitis ... commonly renal and pulmonary ... #Diagnosis #Dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... and often causes arthritis ... , obstructive pulmonary ... : • Behçet Syndrome ... • Cogan Syndrome