02.09.2015 Views

How to handle liver biopsy specimens

Prof B Portmann 11.20 - Virtual Pathology at the University of Leeds

Prof B Portmann 11.20 - Virtual Pathology at the University of Leeds

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Copper and copper associated protein<br />

• Copper easily removed by formal saline<br />

(especially if acidic)<br />

•Copper-binding protein unaffected by fixation<br />

• Early Wilson :<br />

- Cy<strong>to</strong>solic Cu highly soluble + <strong>to</strong>o small<br />

<strong>to</strong> be seen his<strong>to</strong>logically<br />

- Lysosomal Cu binding protein may not<br />

be significant yet<br />

⇒ negative staining does not exclude WD

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