Skull metastases
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Skull metastases
- When assessing a CT of the brain, check the bones using 'bone window' settings
- This image shows multiple destructive (lytic) bone lesions of the skull due to bone metastases
Clinical information
- Known history of breast cancer
- Headaches and palpable lumps on the scalp
Normal CT - arachnoid granulation pits
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Normal CT - arachnoid granulation pits
- CT frequently demonstrates small pits in the inner table of the skull
- These pits - which contain arachnoid granulations - are normal structures and should not to be confused with lytic bone disease
- Arachnoid granulation pits are usually located near the midline and appear well corticated