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The authors present five cases of olfactory neuroblastoma with intracranial extension operated on in the Department of Neurosurgery in collaboration with otorhinolaryngologists. This tumor is most frequently reported as growing inside the nasal cavities, and it can extend to the paranasal sinuses. Cases presenting initially as intracranial tumors have been(More)
Cerebral metastases from colorectal adenocarcinomas occur in 8% of the cases. Diagnosis is usually made when primary disease and widespread metastases are already known. We report the case of a patient with single metastases in the pineal region as the first clinical manifestation of a colorectal adenocarcinoma. A 48-year-old female with Parinaud's syndrome(More)
OBJECT Jugular foramen tumors are rare skull base lesions that present diagnostic and complex management problems. The purpose of this study was to evaluate a series of patients with jugular foramen tumors who were surgically treated in the past 16 years, and to analyze the surgical technique, complications, and outcomes. METHODS The authors(More)
Bleeding from brainstem cavernomas may cause severe deficits due to the absence of non-eloquent nervous tissue and the presence of several ascending and descending white matter tracts and nerve nuclei. Surgical removal of these lesions presents a challenge to the most surgeons. The authors present their experience with the surgical treatment of 43 patients(More)
BACKGROUND Facial function is important in accompaniment of patients operated on vestibular schwannoma (VS). OBJECTIVE To evaluate long term facial nerve function in patients undergoing VS resection and to correlate tumor size and facial function in a long-term follow-up. METHOD Transversal study of 20 patients with VS operated by the retrosigmoid(More)
The April Case of the Month (COM). The contributors report a case of a 70 year-old woman with recurrent meningiomas, one of which showed rhabdoid and lipomatous differentiation. Histopathological study of the first and second previous resections showed only typical meningothelial meningioma. On the third craniotomy, a new tumor specimen showed an admixture(More)
We report our experience with a supraorbital eyebrow minicraniotomy. This technique is suitable to lesions situated in the region of the anterior fossa, suprasellar cisterns, parasellar region and Sylvian fissure. A 50 mm incision in the eyebrow and a supraorbital minicraniotomy is performed. Sixteem patients harboring different lesions were operated on(More)
Mitoxantrone (MX) is an immunosupressant drug used in secondarily progressive multiple sclerosis (SPMS) and in relapsing-remitting multiple sclerosis (RRMS). It has a leukemogenesis potential induced by cytogenetic abnormalities, though with a low incidence. Promyelocitic leukaemia (type M3) and other forms of acute myeloblastic leukaemias (M4 and M5) have(More)
Fibrous dysplasia (FD) is a rare tumour, representing 2.5% of all bone tumours and 7% of benign tumours. Aneurysmal bone cyst (ABC) is also an uncommon pathology, usually associated with a secondary vascular lesion consisting of an arteriovenous malformation. In this article, we relate a case report of a young female with a rare combination of FD with(More)