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According to Gardner's hypothesis (1962) later confirmed by Jannetta (1982, 1985), hemifacial spasm can usually be related to a "vascular conflict" which takes place inside the cerebellopontine angle (CPA). Occasionally, the causative lesion can be identified as a mass encasing the facial nerve at its root exit zone (REZ) from the brain stem. The hemifacial(More)
BACKGROUND Aim of the present study was to analyse the main causes of lumbosacral plexus lesions together with the best diagnostic and therapeutic options for better patient outcome. METHODS We report our surgical experience with eight patients in whom lesion mechanisms consisted of high-energy trauma (4 pts), firearm injuries (2 pts), spontaneous(More)
Aneurysmal bone cysts (ABC) are benign osteolytic lesions that are more common in young people than in adults and involve the skull only exceptionally. The origin of ABC is still debated; indeed, some authors consider ABC to be an anomalous bony reaction that is secondary to traumas or tumours. Conversely, others consider ABC to be a distinct entity. A case(More)
We report the case of an isolated pigmented lesion of the cerebellar tentorium which was initially interpreted as meningeal melanocytoma. The immunohistochemical study required as a result of a subsequent post-surgical recurrence prompted us to reconsider the early diagnosis in favour of malignant meningeal melanoma. On the basis of data in the literature,(More)
We report a case of labio-glosso-pharyngo-laryngeal paralysis with some peculiar features. CT and MRI yielded the diagnosis of acute pseudobulbar syndrome by demonstrating the existence of two lesions of the corticobulbar tract: one subcortical (recent) and the other opercular cortical (old) on the opposite side.
The surgical resection of deep-seated brain tumors may be facilitated by CT guided stereotactic methods. The Authors present a procedure of preoperative localisation and delimitation of the border of a neoplastic mass facing important functional areas. Ideally tumor excision should not be extended beyond that boundary which for this reason is targeted and(More)
We report on 306 cases of spontaneous intracerebral haematomas located in the supratentorial compartment. 167 patients underwent surgical treatment and 87 died (52.09%); 139 patients were conservatively managed and 30 died (21.5%). We point out some indications and contra-indications to surgical or conservative treatment on the basis of the factors(More)
Changes in brainstem auditory-evoked potential response were serially investigated in 20 head-injury patients with neurologic and computed tomographic signs of brainstem lesion. The reliability of computed tomography in the evaluation of indirect signs of brainstem lesion from the image was investigated with elaboration of the brainstem auditory-evoked(More)
A report is given on eight cases of epidural haematoma in children aged 0 to 2 (11 per cent of a total of 70 epidural haematomas found in children). The individual clinical phenomena and courses of the disease are shown on the basis of our own patients. The prognosis of epidural haemorrhages is more favourable for such children than for older children and(More)