Cláudio Régis S. Silveira, Serguey Malaquias de Almeida, Cristina Marques Barreto, Custódio Michilosky, José Marcus Rotta, Luis Antonio Rossi
Radiol Bras 2001;34(1):53-55 - CASE REPORT
Chordomas are rare neoplasms arising from notochordal remnants that persist along the axial skeleton. Intracranial chordomas occur more frequently in the midline. We describe an atypical case of an off-midline chordoma arising from the petrous apex, and discuss the embryogenic factors which determine that location, as well as the symptoms, imaging findings, surgical treatment and evolution.
Keywords: Chordoma. Petrous apex. Computed tomography. Magnetic resonance imaging.
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