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Related Experiment Videos

Optic nerve choristoma.

Angela Spencer1, Joung Lee, Richard A Prayson

  • 1Department of Neurology, Cleveland Clinic, Weston, FL 33331-3609, USA.

Annals of Diagnostic Pathology
|April 5, 2005
PubMed
Summary

This study reports an extremely rare optic nerve choristoma in a young woman, characterized by a mix of smooth muscle and optic nerve tissue. Such cranial nerve choristomas are exceptionally uncommon in medical literature.

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Area of Science:

  • Ophthalmology
  • Neuropathology
  • Surgical Pathology

Background:

  • Choristomas are congenital tumors composed of histologically normal tissue found in an abnormal location.
  • Peripheral nerve involvement is typical, but cranial nerve choristomas are exceptionally rare.
  • Optic nerve choristomas represent a particularly infrequent subset of these lesions.

Observation:

  • A case of optic nerve choristoma is presented in a 24-year-old female patient.
  • The lesion demonstrated a unique histological composition.
  • It was characterized by a disordered admixture of smooth muscle and native optic nerve tissue.

Findings:

  • The choristoma involved the optic nerve, a site rarely affected by such lesions.
  • Histological examination revealed normal smooth muscle and optic nerve tissue in an aberrant arrangement.
  • This finding highlights the diverse presentations of choristomas.

Implications:

  • This case contributes to the limited literature on optic nerve choristomas.
  • Understanding the histology and presentation is crucial for diagnosis and management.
  • Further research may elucidate the developmental pathways of these rare tumors.

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