Modality: CT
CT Axial
Axial bone window
CT Axial
Modality: CT (bone window)

- “ Paget disease of the skull. Scout and sagital demonstrate the Tam O'Shanter sign ”

Used in the following articles:

  • Mosaic pattern of bone - “ The mosaic bone pattern, also referred to as the jigsaw pattern, of bone is seen in Paget disease, where thickened, disorganized trabeculae lead t...”
  • Paget disease (bone) - “ Paget disease of the bone is a common, chronic bone disorder characterised by excessive abnormal bone remodelling. It frequently affects the pelvi...”
  • Hyperostosis of the skull (differential) - “ Hyperostosis of the skull has many causes, broadly divided into focal or diffuse. Diffuse Paget's disease of bone metastatic disease, especiall...”
  • Generalised increased bone density in adults - “ The causes of generalised increase in bone density in adult patients can be divided according to broad categories:  myeloproliferative disorders:...”
  • Calvarial thickening - “ Calvarial thickening can occur from a number of causes. These include  idiopathic chronic ventricular shunting1 antiepileptics phenytoin 3 os...”

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