Bilateral subacute subdural hematoma

Case contributed by Dr Ammar Haouimi

Presentation

progressively altered consciousness with no history of trauma.

Patient Data

Age: 75 years
Gender: Male

Bilateral crescent-shaped frontoparietal subdural collection (maximum thickness 28 mm on the right and 23 mm on the left). It elicits a high signal intensity on T1, T2, and FLAIR sequences with internal septation and sediment of low signal on T2 and GE sequences, indicating a late subacute subdural hematoma (methemoglobin free).

Note symmetrical mass effect on the midline structures with no subfalcine herniation.

Case Discussion

MRI features of late subacute subdural hematoma (extracellular methemoglobin).

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.