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Intracranial haemorrhage secondary to metastasis

Case contributed by Henry Knipe
Diagnosis almost certain

Presentation

New onset confusion.

Patient Data

Age: 60 years
Gender: Male

There are two ring-enhancing lesions with surrounding vasogenic oedema. One in the right parietal lobe measuring and one centred on the left basal ganglia measuring. There is partial effacement of the left lateral ventricle and the right ventricular trigone, however, there is no midline shift nor cerebral parenchymal herniations.

The patient had a known history of lung cancer, and these two lesions are compatible with cerebral metastases. 

48 hours after the first CT, the patient was noted to have sudden onset of left upper and lower limb weakness. 

New large left basal ganglia haemorrhage, centred laterally to the previously described mass with a thin rim of oedema. New rightward midline shift of 4 mm. No further acute intracranial haemorrhage. Right parietal mass and oedema are stable.

Case Discussion

This patient had a known history of metastatic lung cancer, and these intracranial masses are almost certainly cerebral metastases, of which intracranial haemorrhage is a common complication. 

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