Interhemispheric fissure

Last revised by Dr Fabio Macori on 02 Sep 2021

The interhemispheric fissure, also known as the medial longitudinal fissure, is the deep groove within the midline separating both cerebral hemispheres and containing the falx cerebri. Being a fissure, it also contains CSF as well as some midline branches of the ACA and PCA.

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Cases and figures

  • Figure 1: axial MRI T2
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  • Figure 2: axial non contrast CT
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  • Figure 3: coronal non contrast CT
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