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Difference between revisions of "Vasculitides"
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*Giant cell arteritis (AKA ''temporal arteritis''). | *Giant cell arteritis (AKA ''temporal arteritis''). | ||
*Takayasu's arteritis. | *Takayasu's arteritis. | ||
==Pathologist's role in the diagnosis of vasculitis== | |||
===General=== | |||
*Pathologists often cannot, based on morphology alone, arrive at the definitive diagnosis. | |||
===Microscopic=== | |||
Features: | |||
*Inflammatory cells within the blood vessel wall. | |||
*Vessel injury: | |||
**Fibrinoid necrosis = anucleate amorphous intensely eosinophilic material. | |||
***Amorphous = no definite form.<ref>URL: [http://dictionary.weather.net/dictionary/amorphous http://dictionary.weather.net/dictionary/amorphous]. Accessed on: 26 November 2010.</ref> | |||
**"Nuclear dust" = punctate hyperchromatic material ~ 1 micrometre. | |||
==Giant cell arteritis== | ==Giant cell arteritis== | ||