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The transcallosal transchoroidal approach to the diencephalic-mesencephalic junction: how I do it

  • How I Do it - Neurosurgical Anatomy
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Abstract

Background

Different approaches have to be considered for lesions of the diencephalic-mesencephalic junction based on the localization, extension of the lesion, and relationship to the ventricular system.

Method

We present the case of a young lady who presented with a cavernoma of the junction of midbrain and diencephalon after an episode of hemorrhage. The microsurgical anatomy of the trans-callosal trans-choroidal approach for this lesion is described along with its advantages and limitations.

Conclusion

The trans-choroidal approach allows adequate access to lesions of the diencephalic-mesencephalic junction that project into the third ventricle.

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Author information

Authors and Affiliations

  1. Department of Neurosurgery, University Hospital of Lausanne, Lausanne, Switzerland

    Giulia Cossu & Roy T. Daniel

  2. Faculty of Medicine and Biology, University of Lausanne, Lausanne, Switzerland

    Giulia Cossu & Roy T. Daniel

  3. Department of Neurosurgery, Hospital General Universitario Alicante, Alicante, Spain

    Pablo González-López

Authors
  1. Giulia Cossu
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  2. Pablo González-López
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  3. Roy T. Daniel
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Corresponding author

Correspondence to Roy T. Daniel.

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The authors declare that they have no conflict of interest.

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This article is part of the Topical Collection on Neurosurgical Anatomy

Electronic supplementary material

This video illustrates the transcallosal transchoroidal approach performed for the resection of a cavernous malformation of the diencephalic-mesencephalic junction in a young lady with hydrocephalus and Parinaud syndrome. The resection was complete and the patient experienced a favorable neurological and radiological outcome at 6 years of follow-up. (MP4 50,167 kb)

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Cossu, G., González-López, P. & Daniel, R.T. The transcallosal transchoroidal approach to the diencephalic-mesencephalic junction: how I do it. Acta Neurochir 161, 2329–2334 (2019). https://doi.org/10.1007/s00701-019-04040-x

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  • DOI: https://doi.org/10.1007/s00701-019-04040-x

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