Abstract
Cranial involvement in parotid malignancies is rare and more common for certain types of tumors (e.g., adenoid cystic carcinoma). The spread of the parotid tumor to the skull base and intracranial may happen either by direct extension of the tumor and erosion of the bone or through perineural and endoneural invasion. Consequently, the clinical picture has the potential of becoming very complex (depending on the skull base and intracranial structures involved), and the management has to include a thorough neurosurgical assessment and interventional planning. These tumors pose particular management challenges due to their relative rarity and the lack of a unified extended experience, deep location, close proximity to critical neurovascular structures, and the extension beyond classical anatomic, surgical, and specialty landmarks. The outcome in the management of this particular type of tumors is improved significantly when their treatment is thought and carried out in a multidisciplinary fashion, using the knowledge and the therapeutical resources of various medical, surgical, and radiotherapy specialists. In this chapter we overview the patterns of skull involvement of parotid tumors and the clinical manifestations of cranial extension, and we look at the particularities of imaging and surgical planning and principles in this event.
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Iliescu, B.F., Poeata, I. (2016). Parotid Tumors Extended to the Skull Base. In: Costan, VV. (eds) Management of Extended Parotid Tumors. Springer, Cham. https://doi.org/10.1007/978-3-319-26545-2_8
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DOI: https://doi.org/10.1007/978-3-319-26545-2_8
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