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

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Wilson's disease Pulmonary ... Spondyloarthropathies, SLE • Pulmonary ... Lyme disease, Vasculitis ... , Marfan syndrome ... #joint #pain #differential
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 ... #skin #rashes #differential
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... • Erythema elevatum ... : • Temporal arteritis ... • Takayasu's arteritis ... Disease • Cogan syndrome
Red Leg - Cellulitis Mimickers
 - Unilateral
     • Contact Dermatitis
Acute Gout • Erythema ... Nodosum • Vasculitis ... • Septic Arthritis ... • Erythema ... redleg #diagnosis #differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... ANCA-positive vasculitis ... ANCA-negative vasculitis ... erythematosus, Rheumatoid arthritis ... #differential #
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... destructive sinusitis, pulmonary ... and Sjogren's syndrome ... • IgA vasculitis ... #vasculitis #differential
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Non-Infectious Aortitis: • Vasculitides ... , Cogan's Syndrome ... ANCA associated vasculitis ... swinndong #Aortitis #Differential
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 ... Behcet disease) Differential
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Pulmonary Renal ... - Differential ... ANCA Associated Vasculitis ... Kumfer @AnnKumfer #Pulmonary ... #Mimics #Differential
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 ... Mnemonic #Causes #Differential ... #Dermatology #SkinRash