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Related Experiment Videos

Metastatic choroid plexus papilloma: a case report.

Andrew W McEvoy1, Malcolm Galloway, Thomas Revesz

  • 1The Institute of Neurology and The Department of Surgical Neurology and Neuropathology, The National Hospital for Neurology and Neurosurgery, London, UK. a.mcevoy@ion.ucl.ac.uk

Journal of Neuro-Oncology
|June 14, 2002
PubMed
Summary

Choroid plexus papillomas (CPPs), typically benign, can rarely metastasize. This case highlights diffuse craniospinal seeding from a seemingly cured fourth ventricular CPP, emphasizing rare metastatic potential.

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Area of Science:

  • Neuro-oncology
  • Neurosurgery
  • Pathology

Background:

  • Choroid plexus papillomas (CPPs) are generally considered benign intracranial tumors with a favorable prognosis.
  • Complete surgical resection is typically curative for CPPs, with minimal risk of recurrence or metastasis.

Observation:

  • A 51-year-old male presented with neurological symptoms 5 years post-resection of a fourth ventricular CPP.
  • Symptoms included tinnitus, hearing loss, impotence, and low back pain, prompting further investigation.

Findings:

  • Imaging revealed diffuse craniospinal lesions, suggesting metastatic spread.
  • Histological examination of a sacral lesion confirmed it to be indistinguishable from the primary CPP.
  • FDG-PET scan identified a metabolically active sacral lesion.

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Implications:

  • This case demonstrates the rare but significant potential for histologically benign CPPs to metastasize widely within the craniospinal axis.
  • It underscores the need for vigilance in long-term follow-up of CPP patients, even after apparent complete resection.
  • The findings challenge the assumption of universally benign behavior and add to the understanding of metastatic craniospinal disease.