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Massive cranial ossifying myxoma in a child
1Department of Neurosurgery, Juntendo University School of Medicine, Tokyo, Japan.
Insights
This case report details a rare cranial myxoma in an 11-year-old girl, presenting with vision and hearing loss. Surgical removal was successful, challenging existing notions about cranial myxomas.
Area of Science:
- Neuro-oncology
- Craniofacial Surgery
- Pediatric Neurology
Background:
- Myxomas are typically benign tumors of connective tissue.
- Cranial myxomas, particularly in extragnathic osseous sites, are exceptionally rare.
Observation:
- An 11-year-old girl presented with a congenital, painless mastoid mass.
- Neurological deficits included bilateral papilledema, left homonymous hemianopia, and right hearing impairment.
Findings:
- Computerized tomography revealed a large, low-density extra-axial mass with internal ossification.
- Complete surgical excision of the cranial myxoma was achieved.
Implications:
- This case expands the known spectrum of myxoma presentation.
- Highlights the importance of considering rare diagnoses in complex pediatric cranial masses.
- Contributes to the understanding of extragnathic osseous myxomas.
Abstract:
A case is presented in which a myxoma developed in the mastoid region in the cranium and extending to the middle and posterior fossa. The patient was an 11-year-old girl with a history from birth of a painless mass in the mastoid region. On admission, she had bilateral papilledema, left homonymous hemianopia, and right hearing impairment. The computerized tomography showed a massive low-density area with intralesional ossification. The extra-axial mass was completely removed. Skepticism toward the existence of myxoma affecting the cranium, in an extragnathic osseous site, is discussed.