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Journal of Korean Neurosurgical Society > Volume 42(6); 2007 > Article
Journal of Korean Neurosurgical Society 2007;42(6): 475-477.
doi: https://doi.org/10.3340/jkns.2007.42.6.475
Spinal Drop Metastasis from a Posterior Fossa Choroid Plexus Papilloma.
Soon Seob Ahn, Young Dae Cho
Department of Neurosurgery, Daegu Catholic University, School of Medicine, Daegu, Korea. aronnn@empal.com
Choroid plexus papillomas (CPPs) are typically considered as benign tumors, with a favorable long-term prognosis. Drop metastasis of CPP into the spinal subarachnoid space is rare. We report a 42-year-old woman who presented with headache and back pain 6 years after removal of a posterior fossa CPP. Magnetic resonance imaging revealed mass lesions in the lumbosacral subarachnoid space and recurrent intracranial tumor. The lesions were resected and histologically diagnosed was CPP. We consider that CPP can spread via cerebrospinal fluid pathways and cause spinal drop metastasis. Therefore, it is necessary to evaluate the whole spinal axis and to perform periodic follow-up examinations in patients with CPP.
Key Words: Choroid plexus papilloma; Posterior fossa; Spinal; Metastasis; Cerebrospinal fluid
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