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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