M-C Rousselet

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OBJECTIVE Because oligodendroglioma are infiltrative tumors, the Mac Donald's response criteria, usually used for solid and contrast-enhanced tumors, seem not to be adapted. To precise more relevant radiological criteria, the radiological response of oligodendroglioma to PCV chemotherapy was evaluated on T2 weighted-MRI sequences only. METHODS 25 patients(More)
We report a case of an intramedullary thoracic primary melanocytic tumor of the leptomeninges in a 38-year-old woman. According to the WHO classification, the lesion showed the histological features of a meningeal melanocytoma. Two local recurrences were successively operated on, two and three years after the first surgery respectively. The patient died of(More)
BACKGROUND Intracranial ependymomas are rare in adults and histopathological prognostic factors are poorly determined. PURPOSE A retrospective multicentric study was conducted in France in order to assess the prognostic value of histology. MATERIAL Between 1990 and 2004, 216 adult patients with newly diagnosed ependymomas were treated in 19 French(More)
Post-traumatic intracranial aneurysms are rare entity, which can appear following even benign head injuries. Their clinical manifestations are various, from a typical SAH to an uncommon intracerebral hematoma. Medical history runs usually from a couple of days to several years. Two cases of intracranial aneurysm have been observed from 1995 to 1998. The(More)
OBJECTIVES Photodynamic therapy is a new focal therapy for prostate cancer. METHODS In this technique, a photosensitising agent is introduced intravenously, then activated by local laser illumination to induce tumour necrosis. Treatment efficacy is assessed by magnetic resonance imaging (MRI). RESULTS AND CONCLUSIONS We illustrate specific(More)
Rare forms of demyelinating disease such as Balò's concentric sclerosis or Schilder's disease may simulate brain tumors, both clinically and on the computed tomography (CT) and magnetic resonance imaging (MRI). Even the histopathological diagnosis after a biopsy is not entirely reliable. We report three cases of pseudotumoral demyelinating disorders having(More)
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