Retrosigmoid approach indications

The retromastoid approach has remained a versatile and simple route to access the cerebellopontine angle:

see Retrosigmoid transmeatal approach for vestibular schwannoma

see Retrosigmoid approach for cerebellopontine angle meningioma

Hypoglossal schwannoma 1)

1)
Suri A, Bansal S, Sharma BS, Mahapatra AK, Kale SS, Chandra PS, Singh M, Kumar R, Sharma MS. Management of hypoglossal schwannomas: single institutional experience of 14 cases. J Neurol Surg B Skull Base. 2014 Jun;75(3):159-64. doi: 10.1055/s-0033-1356924. Epub 2014 Mar 12. PubMed PMID: 25072009; PubMed Central PMCID: PMC4078147.