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Subacute subdural hematoma

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

10 days history of headaches, diplopia, and weakness of the left upper limb and right lower limb.

Patient Data

Age: 55 years
Gender: Male
mri

Crescent-shaped right frontoparietal subdural collection (thickness= 3 cm) of high signal intensity on T1WI, T2WI and FLAIR sequences is present, with internal septations of low signal, indicating a late subacute subdural hematoma (methemoglobin free). Note the mass effect on the midline structures with dilatation of the contralateral ventricular system.

Case Discussion

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

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