Imaging Sign in Diagnostic Radiology

Cotton wool appearance

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Cotton wool appearance : A plain radiograph sign of late stage Paget Disease. Its appearance is due to thickened, disorganized trabeculae which lead to areas of sclerosis in a previously lucent area of bone – typically the skull.

Finding: Mixed lytic + blastic pattern of thickened calvarium.

Far advanced Paget's disease of the skull

Far advanced Page

Reference : l l Wolfgang F Dähnert, Radiology Review Manual 6th edition


Written by ixiu

November 26, 2008 at 3:01 pm

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