Primary Chondroid chordoma Arising from the Base of the Petrous Temporal Bone: Case Report

The authors report an unusual case of a primary chondroid chordoma arising from the base of the petrous temporal bone. A 43-year-old female presented with left sided facial weakness and left sided jugular foramen syndrome. The CT findings of a tumor arising from the base of left petrous temporal bone and it involved left cerebello-pontine angle, and extended through left jugular foramen to parapharyngeal space. The clinical and histopathologic differences between classical(typical) chordoma and its variant are highlighted. The rarity of primary chordomas at this site is stressed.