Observed differences in pharmacokinetics were attributed to body weight, with no additional independent effect of age. Thus, no dose adjustment from the standard dose of gadobutrol in adults based on body weight (0.1 mmol/kg) is necessary in pediatric patients aged 2 to 17 years. Gadobutrol was safe and well tolerated in the pediatric population in this study.
This work was conducted by the French Brain Tumor Data Bank (FBTDB) and aims to prospectively record all primary central nervous system tumors (PCNST), in France, for which histological diagnosis is available. Results concerning children are presented. This study analyzes the childhood cases (0-19 years) of newly diagnosed and histologically confirmed PCNST (during the years 2004-2006) which have been recorded by the FBTDB. All French neuropathology and neurosurgery departments participated in this program. Neurosurgeons and neuropathologists completed a data file containing socio-demographic, clinical, radiologic and anatomopathologic information. The Tumor Registry from Herault was authorized to compile the data files with personal identifiers. About 1,017 cases (533 boys and 484 girls) of newly diagnosed childhood PCNST have been recorded (gliomas: 52%, all other neuroepithelial tumors: 31%, craniopharyngioma: 5%, germ cell tumors, meningioma and neurinoma: approximately 3% each, all histological subtypes have been detailed). Tumor resections were performed in 83.3%, and biopsies in 16.7%. The distributions by histology, cryopreservation of the samples, age, sex, tumor site and surgery have been detailed. To our knowledge, this work is the first databank in Europe dedicated to PCNST that includes the collection of clinical, radiological and histological data (including cryopreservation of the specimen). The long term goals of the FBTDB are to create a national registry and a network to perform epidemiological studies, to implement clinical and basic research protocols, and to evaluate and harmonize the healthcare of children and adult patients affected by PCNST.
MR imaging of the breast is not reliable in differentiation of benign from malignant breast disease in mammographically suspicious clustered microcalcifications and has no effect on treatment.
EVT of MCA aneurysms was safe and long-term monitoring of patients showed a low rate of recurrence requiring retreatment. However, complex anatomy and long-term recurrences have to be addressed when considering EVT for MCA aneurysms.
Ultrasound is comparable to X-ray for the detection of fractures. Ultrasound should be the first imaging method in children with trauma and nonspecific clinical signs or indistinct location of pain, followed by X-ray exams of the predefined region.
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