Fotios Tzortzidis

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Internuclear ophthalmoplegia (INO) is a common sign of multiple sclerosis in young patients and of vascular diseases in older people. Traumatic bilateral internuclear ophthalmoplegia following severe head injuries may occur. We present the unusual case of a young patient suffered from bilateral INO as an isolated finding after a minor head injury, without(More)
Intraventricular cavernoma (IVC) is a rare intracranial vascular malformation and only 100 cases of IVC have been described in the literature. Although IVCs share some common characteristics with intraparenchymal cavernomas, they also have some distinct features involving structure, clinical symptoms, radiologic appearance, and onset of symptoms. This(More)
OBJECTIVE To evaluate patient clinical outcome and survival at long-term follow-up after aggressive microsurgical resection of chondrosarcomas of the cranial base. METHODS Over a 20-year period, 47 patients underwent 72 operative procedures for resection of cranial base chondrosarcomas. Thirty-three patients were previously untreated, whereas 14 patients(More)
AIM The challenge in large cranial base meningiomas is total resection of the tumor with the least possible mortality and morbidity. During the last two decades the technical approaches for anterior skull base tumors have shown a considerable progress, providing a wide exposure with minimal brain retraction. The purpose of this study is to present our(More)
Neoplasms of the sellar region are entities with a large differential diagnosis. Although paraganglionic cells have not been demonstrated in the pituitary or adjacent structures, the existence of sellar region paragangliomas is well-documented. To elucidate, in this area the nature of these unusual tumors is relatively difficult. Clinical history, physical(More)
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