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Table 165-1

Conditions That Can Mimic Vasculitis

Infectious Diseases

 Bacterial endocarditis

 Disseminated gonococcal infection

 Pulmonary histoplasmosis

 Coccidioidomycosis

 Syphilis

 Lyme disease

 Rocky Mountain spotted fever

 Whipple's disease

Coagulopathies/Thrombotic Microangiopathies

 Antiphospholipid syndrome

 Thrombotic thrombocytopenic purpura

Neoplasms

 Atrial myxoma

 Lymphoma

 Carcinomatosis

Drug Toxicity

 Cocaine

 Levamisole

 Amphetamines

 Ergot alkaloids

 Methysergide

 Arsenic

Other

 Sarcoidosis

 Atheroembolic disease

 Antiglomerular basement membrane disease (Goodpasture's syndrome)

 Amyloidosis

 Migraine

 Fibromuscular dysplasia

 Heritable disorders of connective tissue

 Segmental arterial mediolysis (SAM)

 Reversible cerebral vasoconstrictive syndrome