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Sommaires des Revues - Acta Neurochirurgica

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EANS Affairs  Voir?

(01/11/2004 : 00:00)

Neurosurgical re-engineering of the damaged brain and spinal cord  Voir?

(01/11/2004 : 00:00)

Bench test assessment of the new Raumedic Neurovent-P ICP sensor: a technical report by the BrainIT group  Voir?

(01/11/2004 : 00:00)

Osteolytic intra-osseous meningiomas: illustrated review  Voir?

Summary.

While bone invasion and hyperostosis are frequent phenomena in meningiomas, primary intra-osseous meningiomas are rare. With only 15 reported cases, the osteolytic form of primary intra-osseous meningiomas is most uncommon. Its occurrence in the skull base is an extra-ordinary exception.

We have reviewed and categorized the pertinent literature on intra-osseus meningiomas with special emphasis on osteolytic tumours and discuss their clinical implications on the basis of a new case located in the petrous bone without contact with the meninges.

It is concluded that due to their different clinical, radiological and pathological features, hyperostotic and osteolytic variants of intra-osseus meningiomas should be distinguished from tumours with soft tissue components and from en-plaque lesions.

... / ... Lire la suite

(01/11/2004 : 00:00)

Parameters influencing augmentation of cerebral blood flow by cervical spinal cord stimulation  Voir?

(01/11/2004 : 00:00)

Pituitary apoplexy following laparascopic cholocystectomy  Voir?

(01/11/2004 : 00:00)

Surgical occlusion of the leptomeningeal drainage is a safe and effective treatment for intracranial dural arteriovenous fistulas without dural sinus drainage  Voir?

(01/11/2004 : 00:00)

Intramedullary spinal cord abscess in a 4-year old child  Voir?

(01/11/2004 : 00:00)

Forthcoming Meetings  Voir?

(01/11/2004 : 00:00)

Intra-osseous sphenoorbital schwannoma  Voir?

Summary.

A 40-year-old man without stigmata of neurofibromatosis presented with proptosis and impairment of lateral gaze of the left eye. Neuro-imaging studies revealed an extra-axial lytic spheno-orbital mass. The mass was completely removed. Classic schwannoma was documented histopathologically.

Schwannosis or hyperplasia of Schwann cells of perivascular nerve plexus may be attributed in the histogenesis of this unusually located schwannoma.

... / ... Lire la suite

(01/11/2004 : 00:00)

Multiple cerebral amoebic abscesses in a child  Voir?

(01/11/2004 : 00:00)

  Voir?

(01/11/2004 : 00:00)

Human Kluver-Bucy syndrome following acute subdural haematoma  Voir?

Summary.

We present a rare case of complete human Kluver-Bucy syndrome (KBS) following recovery from transtentorial herniation caused by acute subdural haematoma (ASDH). A 17-year-old right-handed high school boy got into stupor within five minutes after 3-rounds of sparing at boxing. Emergency computed tomographic (CT) scan showed right cerebral hemispheric ASDH, which was evacuated following intentional decompressive craniectomy. After recovery of consciousness, he developed emotional changes (placidity with loss of normal fear and anger), psychic blindness, aberrant sexual behaviour, excessive oral tendencies, increased appetite, and hypermetamorphosis in order of mention, which were observed with waxing and waning from 17th to 28th hospital day. Peri-operative CT scaning and magnetic resonance imaging showed lesions of the right temporal lobe and right-dominant orbitofrontal regions including bilateral rectal and medial orbital gyri, and the intact left temporal lobe. Two pathogeneses can be thought of and the whole picture of KBS following ASDH can arise even though one (left in this case) temporal lobe is preserved, 1) in which associated orbitofrontal lesions of the frontal lobes may correlate with occurrence of KBS, or 2) cerebral blood hypoperfusion of both temporal lobes due to increased intracranial pressure and/or compression of both posterior cerebral arteries at the edge of the tentorium cerebelli occurs.

... / ... Lire la suite

(01/11/2004 : 00:00)

Giant intracerebral choroid plexus calcification  Voir?

(01/11/2004 : 00:00)

Intradural metastatic spinal cord compression from ACTH-secreting pituitary carcinoma  Voir?

Summary.

Pituitary carcinomas are uncommon and intradural metastatic spread to the spine is rarer still. We describe a 27-year old man with metastatic spinal cord compression from an adrenocorticotrophic hormone (ACTH) cell pituitary carcinoma, 16 years following the initial presentation. He had three previous resections of the pituitary tumour and post-operative radiotherapy. The intradural, extramedullary spinal metastases causing thoracic and lumbar cord compression were excised, with neurological improvement.

Spinal metastases in pituitary carcinoma are uncommon, but aggressive surgical resection of the spinal metastases produces good symptomatic relief.

... / ... Lire la suite

(01/11/2004 : 00:00)

Pleomorphic xanthoastrocytoma of the cerebellum: illustrated review  Voir?

(01/11/2004 : 00:00)

Lumboperitoneal shunts: are the complications acceptable?  Voir?

Summary

Background. Lumboperitoneal shunts have long been used in the treatment of benign intracranial hypertension, postoperative pseudomeningocele, CSF leak and communicating hydrocephalus. Although they can provide a rapid and effective resolution of the symptoms there are major disadvantages associated with their use.

Method. We retrospectively analyzed the records of 21 patients who underwent LP shunt insertion in our institution during the study period.

Findings. Eighteen patients (85.7%) underwent at least one shunt revision with a total of 63 revisions. Shunt related infections were observed in 7 cases and 7 patients developed Chiari malformation, 2 (9%) of these requiring further treatment.

Conclusions. Despite the symptomatic control achieved with lumboperitoneal shunts we find the complication and revision rates unacceptably high. The technique should be re-evaluated and other treatment strategies considered.

... / ... Lire la suite

(01/11/2004 : 00:00)

Skull osteosarcoma: illustrated review  Voir?

Summary.

A case of conventional intramedullary osteosarcoma (epithelioid subtype) with 10 years of evolution and another of high grade surface osteosarcoma of the chondroblastic type, both in the skull, gave rise to several diagnostic and therapeutic difficulties. Key points concerning the definition, classification, imaging, clinical series data and treatment options available for skull osteosarcoma are highlighted.

... / ... Lire la suite

(01/11/2004 : 00:00)

Extravascular application of an intravascular ultrasound (IVUS) catheter during carotid endarterectomy to verify distal ends of stenotic lesions  Voir?

(01/11/2004 : 00:00)

Recurrent spinal ependymoma showing partial remission under Imatimib  Voir?

Summary.

Background. There are few treatment options for recurrent spinal ependymoma after surgery and radiation therapy.

Clinical presentation. We present a patient with recurrent spinal ependymoma who received radiation therapy after laminectomy and partial tumor resection. Months later, the patient developed gait paresis. MRT showed tumor recurrence and partial resection was again performed. Oral cytotoxic chemotherapy with Temozolomide was initiated. After a short relief, there was clinical worsening and MRT showed progressive disease. As the tumor had stained positively for platelet derived growth factor (PDGF) receptor, treatment with Imatimib was initiated.

Findings. The patient experienced improvement in neurological symptoms and the following MRT revealed slight tumor regression. She remained stable for a total of 11 months.

Conclusion. Imatimib should be considered a potential therapeutic option in recurrent ependymomas expressing PDGF receptor.

... / ... Lire la suite

(01/11/2004 : 00:00)

Dernière mise à jour : 13/12/2017 : 21:42


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