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Related Experiment Videos

Postoperative progressive visual loss.

Ethem Murat Arsava1, Bedile Irem Cikrikci, Gamze Mocan

  • 1Department of Neurology, Hacettepe University, Ankara, Turkey.

Survey of Ophthalmology
|August 25, 2004
PubMed
Summary
This summary is machine-generated.

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A man experienced vision loss after surgery for a brain tumor. Doctors found adenocarcinoma cells had spread to his optic nerves and chiasm, causing the visual impairment.

Area of Science:

  • Neuro-oncology
  • Ophthalmology
  • Pathology

Background:

  • Postoperative visual loss can occur after brain tumor resection.
  • Ischemic optic neuropathy is a common cause of visual impairment, but lacked risk factors in this case.

Observation:

  • A 61-year-old male presented with progressive bilateral vision loss post-parasagittal meningioma resection.
  • Initial investigations, including routine imaging, did not identify abnormalities in the visual pathways.
  • Cytological examination revealed mucin-positive adenocarcinoma cells.

Findings:

  • Orbital magnetic resonance imaging (MRI) confirmed metastatic infiltration of the optic chiasm and optic nerves.
  • The primary tumor site remained unidentified despite extensive investigation.

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Implications:

  • This case highlights a rare presentation of metastatic adenocarcinoma causing optic nerve infiltration and subsequent visual loss.
  • It underscores the importance of considering metastatic disease in the differential diagnosis of unexplained visual deficits, even after oncological surgery.
  • Further research is needed to elucidate the mechanisms of optic pathway metastasis from unknown primary sites.