Cavernous hemangioma of the central nervous system is a vascular malformation which is a developmental hamartoma, also known as cavernoma or cavernous malformation or venous angioma 1 .Cavernomas may affect any segment of the neuraxis. Most of these malformations are intracranial: supratentorial compartment is a site usually affected 2,3 . Pure spinal epidural cavernomas represent approximately 12% of spinal cavernous anomalies 4 and the thoracic segment is the most frequently affected 5 . There are approximately 80 cases of epidural cavernous hemangioma published in the literature 4,5 .We report on a case of thoracic extradural cavernous hemangioma, with emphasis on the clinical aspects. CASEA 63-years-old female caucasian patient with a previous history of cryptogenic epilepsy was referred to our emergency department with complaints of a one year history of gait ataxia, numbness and dysesthesia in both lower limbs. In the last 2 months, she also noticed reduced strength in the lower limbs.Neurological examination showed reduced strength in the lower limbs, grade 4/5 in the right lower limb and grade 3/5 in the left one. There was reduced sensation for all sensory modalities below the T10-11 dermatomes. There was also lower limb hyperreflexia and hypertonia, with bilateral extensor plantar response.An MRI showed an epidural space-occupying lesion involving the T9-T10 spinal canal levels and extending to the T9 left foramen, with an intense and homogeneous contrast enhancement (Figure).The patient was submitted to a T9-T10 laminectomy, including a T9 left foraminectomy. A posterior soft and reddish epidural mass with a good cleavage plan was completely removed. The patient evolved with partial improvement of sensibility in both lower limbs and strength.Histological examination revealed thin-walled blood vessels lined with a single layer of endothelial cells, surrounded by connective tissue. The microscopic appearance was compatible with cavernous hemangioma.
Background: The orbital region can be occupied by various lesions including both neoplastic or non-neoplastic. Schwannomas of the supraorbital nerve are very rare tumors. Case Report: A case of a 15 years-old female patient with a one year history of progressive proptosis and no visual symptoms is presented with. This patient underwent a combined surgery with total removal of the tumor. Discussion: Intraorbital schwannomas are usually associated with neurofibromatosis and different structures can originate these tumours, including peripheral and cranial nerves. The signs and symptoms usually follow a chronic process. Surgical treatment is necessary, with various reported surgical approaches. Conclusion: We report, to the best of our knowledge, the eleventh case of schwannoma of the supraorbital nerve, describing the main features of this pathology.
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