Sagittal bone window
Modality: CT (bone window)

- “ Marked erosion of the dens and adjacent joints with pannus (soft tissue mass) is typical of advanced rheumatoid arthritis. ”

Used in the following article:

  • Retro-odontoid pseudotumour - “ Retro-odontoid pseudotumours, also known as periodontoid pseudotumours, are nonneoplastic soft tissue masses adjacent to the odontoid process (den...”

View full size version of Pannus at the cranio-cervical junction: CT and MRI findings

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