Abstract:A case of a primarily extracranial meningioma of the eyelid, so far not reported in literature, is discussed. As mentioned in literature, this case of an extracranial meningioma has also irritated both the physician and the pathologist, due to its uncharacteristic clinical, radiological and histological manifestation. The possibility of an extracranial meningioma as a cause of a head and neck mass should be borne in mind.
“…Darüber hinaus wurde auch Uber das Vorkommen in anderen Kopf-HaIs-Regionen berichtet, z. B. Nasennebenhöhlen, Tonsillenregion, Mundhöhle, Glanduia parotis, äuIerer Gehorgang, Augenlid 3,4, 7-9, 12,13,17,19,23].…”
The patient has been free of tumor recurrence for one year. The pathogenesis of the extracranial meningioma in this patient seems to be the displacement of meningeal cells in the course of a fracture of the base of the skull.
“…Darüber hinaus wurde auch Uber das Vorkommen in anderen Kopf-HaIs-Regionen berichtet, z. B. Nasennebenhöhlen, Tonsillenregion, Mundhöhle, Glanduia parotis, äuIerer Gehorgang, Augenlid 3,4, 7-9, 12,13,17,19,23].…”
The patient has been free of tumor recurrence for one year. The pathogenesis of the extracranial meningioma in this patient seems to be the displacement of meningeal cells in the course of a fracture of the base of the skull.
Extracranial meningiomas are rare tumors of the lateral skull base. A 37-year-old woman presented with tinnitus und progressive hearing loss of her right ear. A painful mass lesion was also palpable in her mandibular angle. CT and MRI scans revealed an intracranial mass with extension to the lateral skull base. These findings suggested the occurrence of a paraganglioma or meningioma. In a two-stage surgical procedure tumor was extirpated without functional impairment to the patient. Histology of the excised lesion demonstrated an endotheliomatous meningioma. Since an extracranial meningioma can present as a mass lesion of the lateral skull base, CT and MRI scans are essential in preoperative surgical planning.
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