Combined craniofacial approach for the removal of a large trigeminal schwannoma invading the infratemporal fossa
| Autor: | Nicholas Sakellaridis, Panagiotis Stathopoulos, Nicholas Zachariades, Helen Machera, George Rallis, Michael Mezitis |
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| Rok vydání: | 2011 |
| Předmět: |
medicine.medical_specialty
Postoperative Complications X ray computed Image Interpretation Computer-Assisted otorhinolaryngologic diseases Medicine Intracranial tumours Humans Cranial Nerve Neoplasms Cranial fossa Aged Cranial Fossa Middle business.industry Infratemporal fossa Follow up studies Trigeminal schwannoma medicine.anatomical_structure Otorhinolaryngology Trigeminal Nerve Diseases Oral and maxillofacial surgery Surgery Craniofacial approach Female Radiology Oral Surgery business Tomography X-Ray Computed Craniotomy Neurilemmoma Follow-Up Studies |
| Zdroj: | Oral and maxillofacial surgery. 16(2) |
| ISSN: | 1865-1569 |
| Popis: | Trigeminal schwannomas are rare tumours accounting for 0.07-0.36% of all intracranial tumours and 0.8-8% of intracranial schwannomas. Symptoms and signs of these lesions depend on the site of the tumour, which may compress the nerve of origin or adjacent nerves.We describe a case of a 69-year-old woman with a history of progressively worsening hypoesthesia involving the third division of the trigeminal nerve. A tumour of 5-cm diameter was revealed within the right cranial middle fossa, extending to the lateral wall of the cavernous sinus, the infratemporal fossa and the posterior wall of the maxillary sinus. A combined craniofacial approach was undertaken. A right extended subtemporal craniotomy was performed. The intracranial component of the tumour, originating from the third division of the trigeminal nerve and compressing the cavernous sinus, was removed in total. We proceeded with a Weber-Ferguson approach through which the extracranial component of the tumour was also totally resected. The postoperative computed tomography of the head has shown complete tumour removal. The histopathologic examination revealed a cellular neurinoma. Postoperatively, the patient expressed a transitory palsy of the oculomotor nerve, which resolved within a few weeks. The patient remains free of recurrence with mild hypoesthesia of the third trigeminal branch 5 years after treatment.Surgery of trigeminal schwannomas may be a very challenging task. Various surgical approaches for trigeminal schwannomas excision have been described. With this combined approach, the tumour was freed from the surrounding tissues and was easily and totally removed. |
| Databáze: | OpenAIRE |
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