Lateral inferior cerebellar peduncle approach

4 patients (3 woman and 1 man) who had a symptomatic dorsolateral brainstem cavernous malformation with radiographic and clinical evidence of hemorrhage, underwent excision via a far lateral suboccipital craniotomy through the foramen of Luschka and with an incision in the cerebellar peduncle.On intraoperative examination, 2 of the 4 patients had hemosiderin staining on the surface of the peduncle. All lesions were completely excised and all patients had a good or excellent outcome (modified Rankin Scale scores of 0 or 1).

Case series of Deshmuk et al., illustrates that intrinsic lesions of the dorsolateral medulla can be safely removed laterally through the foramen of Luschka and the inferior cerebellar peduncle 1).

1) Deshmukh VR, Rangel-Castilla L, Spetzler RF. Lateral inferior cerebellar peduncle approach to dorsolateral medullary cavernous malformation. J Neurosurg. 2014 Sep;121(3):723-9. doi: 10.3171/2014.5.JNS132276. Epub 2014 Jun 27. PubMed PMID: 24972129.

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