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Tumore 2013 - MRprofessor.dk

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• “Irriteret” periost.<br />

Periostal reaktion<br />

• Forårsages af maligne tumorer, benigne tumorer, infektion , traumera.<br />

• To typer of periosteal reaktion, Benign eller Aggressive.<br />

Benignt udseende: tykt, let bølget, ensartet.<br />

Knoglen har ”god tid ” lave periostal reaktion<br />

Malignt udseende: lamelleret, “løg-skæl”, amorf, “sun-burst”.<br />

Knoglen har ikke tid at konsolidere periost.(NB kan skyldes infektion og Eosi<br />

nophilt granulom)<br />

NB maligne tumorer giver aldrig periostal reaktion af benignt udseende

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