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Giant epidermoid involving 3 cranial bones
S Rumelt1, G R Harsh, P A Rubin
1Department of Ophthalmic Plastics and Orbital Surgery, Massachusetts Eye and Ear Infirmary, Boston, USA.
Archives of Ophthalmology (Chicago, Ill. : 1960)
|July 1, 1997
Summary
A rare cranial epidermoid tumor was incidentally discovered. Complete surgical removal was necessary due to its destructive growth pattern and mass effect, despite its benign nature.
Area of Science:
- Neurosurgery
- Pathology
- Radiology
Background:
- Epidermoid cysts are congenital tumors that can occur in the skull base.
- Incidental findings of cranial bone lesions require thorough investigation.
Observation:
- An expansile osteolytic lesion was found incidentally in the sphenoid bone, extending into the frontal and temporal bones.
- The lesion invaded adjacent brain parenchyma and the orbit.
Findings:
- Biopsy confirmed the lesion as an epidermoid cyst.
- Despite its benign histology, the epidermoid exhibited aggressive, destructive growth.
Implications:
- Complete surgical excision via frontotemporal craniotomy was performed.
- Radical resection is crucial for managing the inflammatory mass effect of such destructive, benign lesions.