Abstract
Chordomas originate from remnants of the embryonic notochord and account for < 2% of all malignant bone tumors (1). Although chordomas are low-grade tumors, they have a high rate of local recurrence, which makes clinical manifestation of a chordoma similar to a malignant tumor (2). In most cases, the initial clinical manifestations of a chordoma are neurological deficits caused by direct local invasion or the mass effect on adjacent structures (3). The incidence of chordoma metastasis varies widely at 3–48%. Common sites for chordoma metastasis are the lungs, liver, bone, and lymph nodes without clear predominance (4). We experienced a case of spinal cerebrospinal fluid (CSF) seeding of a clival chordoma, which was an uncommon metastatic site. CASE REPORT
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