Glasscock-Jackon classification

Glasscock-Jackon classification

Glomus jugulare tumors

Classification

Grade I

Small tumor involving jugular bulb, middle ear, and mastoid

Grade II

Tumor extending under internal auditory canal; may have intracranial extension

Grade III

Tumor extending into petrous apex; may have intracranial extension

Grade IV

Tumor extending beyond petrous apex into clivus or infratemporal fossa; may have intracranial extension

Reference(s)

Michael LM, Robertson JH. Glomus jugulare tumors: historical overview of the management of this disease. Neurosurg Focus 2004; 17:E1.
Last modified on July 10, 2016 by Pieter Kubben
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