Publications by authors named "Coche B"

Purpose: Radiotherapy is a rare indication in paediatric oncology, with 800 to 900 children in treatment per year in France. Child cancers represent approximately 1% of cancers in France and half occur before the age of 5 years. Paediatric radiation requires appropriate tools, local, time and specific training.

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A survey was conducted in 2015 in France on the care of children in radiotherapy services. We present the results for total body irradiation in children, a specific technique of radiation treatment, which needs dedicated controls for this particular population. Of the 17 centres interviewed, 16 responded, and 13 practiced total body irradiation.

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Background: Radiation-induced tumors (RIT) are increasingly recognized as delayed complications of brain irradiation during childhood. However, the true incidence is not established, their biology is poorly understood, and few guidelines exist regarding the long-term follow-up of irradiated children.

Methods: We studied retrospectively patients irradiated for brain tumor under 18 years and followed in our institution since 1970.

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The relatively recent introduction of CyberKnife® in the field of radiotherapy has prompted the question of accessibility and usefulness of this technique for seniors. From June 2007 to June 2009, we treated 345 patients of all ages with CyberKnife as part of a single-center study. Median age was 61 years (range, 8-86 years).

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Objective: To assess the safety and efficacy of radiosurgery for the management of arteriovenous malformations (AVMs) in the pediatric age group.

Methods: We reviewed data from 100 children (44 girls and 56 boys) presenting a total of 103 AVMs treated by linear accelerator radiosurgery between December 1988 and May 2002. The median patient age was 12 years (range, 2-16 yr).

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Objective: A retrospective study of local faiture and cosmetic results after conservative surgery for retroareolar breast cancer.

Patients And Results: Seventy-seven patients underwent a conservative surgical procedure between 1983 and 1994. Median follow-up was 37,5 months.

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The authors present a method of stereotaxic localisation using magnetic resonance imaging (MRI) computerized tomography (CT) and digital subtracted angiography (DSA) which does not require localisation frams fixed to the patient's skull, but uses only four cranial landmarks corresponding to the holders of the neurosurgical stereotaxic frame. The method presents no major constraints in routine examinations. The geometrical distortions of the imaging devices are corrected.

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Stereotactic biopsies, according to the Talairach's system, define the histopathological data (nature, grading, spatial delimitation, evolutive potential) of brain stem lesions, precisely localized by computerized tomography scanner and magnetic resonance imaging. They are the more valued complement of the modern neuro-imaging and they prove the extreme polymorphism of theses lesions. According to this histological analysis and the volume of the lesions, it's possible to choose the best therapeutic procedure.

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