Cotton wool appearance (bone), Radiology Reference Article

The cotton wool appearance is a plain film sign of Paget disease and results from thickened, disorganised trabeculae which lead to areas of sclerosis in a previously lucent area of bone, 

Maxillary lateral occlusal radiographs showing osteosclerosis and

Diagnostics, Free Full-Text

Radiological review of skull lesions, Insights into Imaging

Paget's Disease of Bone - Endotext - NCBI Bookshelf

Cotton wool appearance (bone), Radiology Reference Article

Skull Base Osteomyelitis: A Comprehensive Imaging Review

EPOS™

Skull radiographs showed the cotton wool appearance, disorganized

Panoramic radiograph revealing diffuse, lobular, irregularly shaped

Sino-orbital pathologies: An approach to diagnosis and identifying complications • APPLIED RADIOLOGY