Thromboangiitis obliterans
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Thromboangiitis obliterans, abbreviated TAO, is a rare vascular disease characterized by recurrent thrombosis. It primarily afflicts young smokers and is also known as Buerger disease.
- Should not be confused with Berger disease (IgA nephropathy).
General
Typical symptoms/signs - progression:[3]
- Intermittent claudication -> ulcers -> gangrene -> amputation.
Treatment:
- Stop smoking.[3]
Gross
- Afflicts small and medium-sized vessels of the extremities.
- Corkscrew vessels - seen on angiography.[2]
Microscopic
Features:[4]
- Acute inflammation:
- Endarteritis - neutrophils at the internal elastic lamina (IEL).
- Periarteritis - neutrophils around the arteries.
- Obliteration of the lumen - intimal thickening.
Notes:
- Typically segmental.[3]
DDx:
- Peripheral vascular disease (atherosclerosis) - typically lacks the acute inflammation around the IEL and around the vessels.
- Vasculitis - have fibrinoid necrosis.
Images:
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MIDDLE FINGER DISTAL PHALYNX, LEFT, AMPUTATION: - GANGRENE WITH ENDARTERITIS, PERIARTERITIS AND LUMINAL OBLITERATION/NARROWING CONSISTENT WITH THROMBOANGIITIS OBLITERANS (BUERGER'S DISEASE).
See also
References
- ↑ Highlander, P.; Southerland, CC.; VonHerbulis, E.; Gonzalez, A. (Jan 2011). "Buerger disease (thromboangiitis obliterans): a clinical diagnosis.". Adv Skin Wound Care 24 (1): 15-7. doi:10.1097/01.ASW.0000392923.37852.43. PMID 21173586.
- ↑ 2.0 2.1 Fujii, Y.; Soga, J.; Nakamura, S.; Hidaka, T.; Hata, T.; Idei, N.; Fujimura, N.; Nishioka, K. et al. (Aug 2010). "Classification of corkscrew collaterals in thromboangiitis obliterans (Buerger's disease): relationship between corkscrew type and prevalence of ischemic ulcers.". Circ J 74 (8): 1684-8. PMID 20534945.
- ↑ 3.0 3.1 3.2 Dargon, PT.; Landry, GJ. (Aug 2012). "Buerger's disease.". Ann Vasc Surg 26 (6): 871-80. doi:10.1016/j.avsg.2011.11.005. PMID 22284771.
- ↑ Kurata, A.; Schulz, A.; Franke, FE. (2004). "Reappraisal of thromboangiitis obliterans--a pathological contribution.". Verh Dtsch Ges Pathol 88: 231-6. PMID 16892557.