Related Experiment Videos
Intra-osseous sphenoorbital schwannoma
1Department of Neurosurgery, Ain Shams University, Cairo, Egypt. khaledbahy@yahoo.com
Acta Neurochirurgica
|August 19, 2004
Summary
A rare spheno-orbital schwannoma was found in a 40-year-old man presenting with left eye proptosis. Surgical removal confirmed the diagnosis, suggesting perivascular nerve plexus origin.
Area of Science:
- Neurosurgery
- Ophthalmology
- Pathology
Background:
- Schwannomas are typically benign nerve sheath tumors.
- Spheno-orbital schwannomas are exceptionally rare, especially without neurofibromatosis.
- Perivascular nerve plexus involvement in schwannoma genesis is an area of ongoing research.
Observation:
- A 40-year-old male presented with proptosis and impaired lateral gaze of the left eye.
- Neuro-imaging identified an extra-axial, lytic spheno-orbital mass.
- The mass was surgically excised for diagnosis and treatment.
Findings:
- Histopathological examination confirmed a classic schwannoma.
- The tumor's location in the spheno-orbital region was unusual.
- No stigmata of neurofibromatosis were present.
Implications:
- This case highlights the possibility of schwannoma in the spheno-orbital region.
- It suggests that schwannosis or hyperplasia of the perivascular nerve plexus may contribute to the development of these tumors.
- Further research into the histogenesis of unusual schwannoma locations is warranted.