Difference between revisions of "Thromboangiitis obliterans"

(Differential Diagnosis)
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*AKA Thromboangiitis Obliterates
*AKA Thromboangiitis Obliterans

Revision as of 16:03, 6 February 2017


  • AKA Thromboangiitis Obliterans


  • Idiopathic inflammatory occlusive disease of the hands and feet
    • Exact pathogenesis unknown

Risk Factors

  • Male, tobacco, Middle Eastern
    • Virtually all patients are smokers

Clinical Features

  • Red, tender nodules over peripheral arteries
    • +/- diminished pulses
  • In-step claudication
  • Hand claudication
    • Often bilateral & symmetrical
    • May lead to ulceration

Differential Diagnosis

  • Chronic PAD
    • Atherosclerosis Obliterans
  • Acute PAD
    • Atheroembolism (AKA Blue Toe Syndrome)
    • Arterial embolism
    • Arterial thrombosis
  • Vasospastic Disorders
    • Raynaud’s Disease
    • Primary Erythromelalgia


  • Clinical criteria for Dx (noninvasive testing not necessary)
    • History of smoking
    • Onset prior to <50 y/o
    • Absence of atherosclerotic risk factors
    • Upper limb involvement
    • Infrapopliteal arterial occlusive lesions


  • Abstinence from tobacco
  • Early symptoms w/o threatened tissue loss: outpatient vascular
  • Advanced disease: intra-arterial or intravenous PGE1, ASA, Heparin, arterial reconstruction, sympathectomy


See Also

External Links