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Comparative Study
. 2010 Jun 12;140(23-24):335-40.
doi: 10.4414/smw.2010.12867.

CT and MR imaging of chronic subdural hematomas: a comparative study

Senem Senturk  1 , Aslan Guzel, Aslan Bilici, Ilker Takmaz, Ebru Guzel, M Ufuk Aluclu, Adnan Ceviz
Affiliations
Free article
Comparative Study

CT and MR imaging of chronic subdural hematomas: a comparative study

Senem Senturk et al. Swiss Med Wkly. .
Free article

Abstract

QUESATIONS UNDER STUDY / PRINCIPLES: This study was designed to compare CT and MR appearances of chronic subdural haematomas as well as CT- and MR-guided measurements of haematoma thicknesses.

Methods: CT and MR images of 48 chronic subdural haematomas of 34 patients were reviewed retrospectively. The thickness measurements and imaging characteristics of haematomas were compared.

Results: Levelling was observed in 25% of haematomas, and most of them (60%) had intrahaematomal membranes. All membranes could be delineated by MR imaging, whereas only 27% were defined by CT. Mixed density (52%) and T1 hyperintensity (59%) were commonly observed in membraned haematomas, but the difference was not statistically significant. Haematomas were measured significantly thicker on MR images. All patients had been treated with burr-hole cranio-tomy and irrigation.

Conclusions: MR imaging is more sensitive than CT in determining the size and internal structures of chronic subdural haematomas.

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