The cotton wool appearance is a plain film sign of Paget's disease and results from thickened, disorganized trabeculae which lead to areas of sclerosis in a previously lucent area of bone - typically the skull. These sclerotic patches are poorly defined and fluffy.
Other Paget's disease related signs
- blade of grass sign
- jigsaw pattern bone or mosaic pattern bone
- picture frame vertebra
- Tam O'Shanter sign
- banana fracture
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- 1. Smith SE, Murphey MD, Motamedi K et-al. From the archives of the AFIP. Radiologic spectrum of Paget disease of bone and its complications with pathologic correlation. Radiographics. 2002;22 (5): 1191-216. Radiographics (full text) - Pubmed citation
- 2. Richards PS, Bargiota A, Corrall RJ. Paget's disease causing an Arnold-Chiari Type 1 malformation: radiographic findings. AJR Am J Roentgenol. 2001;176 (3): 816-7. doi:10.2214/ajr.176.3.1760816 - Pubmed citation
Synonyms & Alternative Spellings
|Synonyms or Alternative Spelling||Include in Listings?|
|Cotton wool bone||✗|
|The Cotton wool appearance of bone||✗|