Related Experiment Videos
Secondary optic nerve tumors
N J Christmas1, M D Mead, E P Richardson
1David G. Cogan Eye Pathology Laboratory, Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Boston.
Survey of Ophthalmology
|November 1, 1991
Summary
Secondary optic nerve tumors are more common than primary ones. They can spread from eye cancers, blood cancers, meningeal carcinomatosis, or distant tumors, rarely from orbital or late-stage brain tumors.
Area of Science:
- Ophthalmology
- Neurology
- Oncology
Background:
- Secondary optic nerve tumors are more prevalent than primary tumors.
- Optic nerve involvement can stem from various oncological conditions.
Purpose of the Study:
- To delineate the origins and pathways of secondary optic nerve tumors.
- To differentiate secondary optic nerve tumors from primary and other orbital/cranial neoplasms.
Main Methods:
- Literature review of secondary optic nerve tumor origins.
- Analysis of tumor invasion pathways into the optic nerve.
Main Results:
- Secondary tumors are more common than primary optic nerve tumors.
- Common sources include intraocular, hematopoietic malignancies, meningeal carcinomatosis, and distant primary tumors.
- Orbital tumors infrequently invade the optic nerve; brain tumors involve it late.
Conclusions:
- Understanding the diverse origins of secondary optic nerve tumors is crucial for diagnosis and management.
- The pathways of spread highlight the interconnectedness of ocular, neurological, and systemic cancers.