Dermoid cysts are congenital lesions that typically occur along the midline. They usually remain asymptomatic unless ruptured, causing meningitis, hydrocephalus, or cranial nerve deficits. This case presents an exceptionally rare scenario of bilateral, symmetric intradiploic dermoid cysts of the occipital bone, which initially manifested as sensorineural hearing loss (an unusual symptom)....
No actionable change for audiology practice; this is a single neurosurgical case report illustrating a rare structural cause of hearing loss that would be managed by a neurosurgeon, not an audiologist.
Raises awareness that rare skull-bone cysts can present with hearing loss, reminding audiologists to consider structural/surgical causes when standard explanations don't fit.
- 01A patient had dermoid cysts (benign, slow-growing sacs) embedded in skull bone on both sides.
- 02Rupture of the cyst on one side was associated with hearing loss in that ear.
- 03Published as an illustrative case report in Journal of Neurosurgery Case Lessons.
- 04Intradiploic dermoid cysts causing hearing loss are extremely rare.
- 05Findings underscore the need for imaging when hearing loss has no obvious audiological cause.
Unilateral rupture of a bilateral intradiploic dermoid cyst caused hearing loss.
studypartially supported- PMID
- 42372314
- DOI
- 10.3171/CASE2691.
- Journal
- Journal of Neurosurgery Case Lessons
- Publication type
- case_report
- Evidence level
- 4
- Sample size
- 1
- Population
- Single patient with bilateral intradiploic dermoid cysts and unilateral rupture causing hearing loss
- Intervention
- Diagnosis and description of bilateral intradiploic dermoid cysts with unilateral rupture
Primary outcomes
Association between dermoid cyst rupture and onset of hearing loss