Male smoker, presenting with haemoptysis and confusion.
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The icing sugar (or sugar coated) enhancement pattern within the brain, is typical of leptomeningeal metastases, most commonly observed with lung and breast primaries, aside from those with a CNS primary.
Staging CT of the chest revealed a T4 left upper lobe tumour with associated pulmonary metastases
- 2.Collie DA, Brush JP, Lammie GA. Imaging features of leptomeningeal metastases. Clin Radiol. Nov 1999;54(11):765-71.