Intracranial chondromyxoid fibroma extending into the jugular foramen

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Abstract
A case is reported of an intracranial chondromyxoid fibroma (CMF) in a 67 year old man. The tumor originated in the petrous part of the temporal bone and extended into the jugular foramen. Microscopically, the tumor showed a lobular appearance, and was composed of spindle or stellate cells in an abundant myxoid, chondroid stroma. Immunohistochemically, S‐100 protein was positive in the tumor cells and myxoid stroma. Intracranial CMF, especially in an elderly person, is exceedingly rare. Clinical and pathological findings are presented with reference to the previously reported articles.