Bilateral acute-on-chronic subdural haematoma

Case contributed by Dr Vivek Dhakal


An alcoholic patient with altered consciousness for 20 days.

Patient Data

Age: 45
Gender: Male

Bilateral mixed density subdural haematoma with hematocrit effect. The haematoma is also spreading into the falx and tentorium. Effacement of bilateral cortical sulci and buckling of the grey-white matter interface.

Case Discussion

CT appearance of chronic subdural haemorrhage is variable. Generally they are hypodense crescentic collection on NECT unless complicated. Acute on chronic SDH may present as mixed density collection, loculated collection or gravity dependent layering of blood products.

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Case information

rID: 40206
Published: 14th Oct 2015
Last edited: 14th Oct 2015
Inclusion in quiz mode: Included

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