نتایج جستجو برای: pediatric tumors
تعداد نتایج: 289406 فیلتر نتایج به سال:
Gastrointestinal stromal tumors (GISTs) rarely occur in pediatric patients, but increased recognition of adult GIST has led to better awareness of the existence of this entity in the pediatric population. GIST occurring in pediatric patients has a unique biology and clinical behavior and warrants discussion as an independent entity. The generally accepted definition of pediatric GIST is a tumor...
Primitive neuroectodermal tumors (PNET) of the brain include medulloblastoma (MB) and central nervous system primitive neuroectodermal tumor (CNS PNET) subtypes, which share histological features yet differ at the genomic level and in clinical outcome. Delineation of the genetic anomalies between PNET subtypes is a current challenge for establishing effective targeted therapeutic strategies aga...
PURPOSE To define copy number alterations and gene expression signatures underlying pediatric high-grade glioma (HGG). PATIENTS AND METHODS We conducted a high-resolution analysis of genomic imbalances in 78 de novo pediatric HGGs, including seven diffuse intrinsic pontine gliomas, and 10 HGGs arising in children who received cranial irradiation for a previous cancer using single nucleotide p...
BACKGROUND Till date there is no published multi-institutional data regarding the epidemiological profile of pediatric brain tumors in India. AIM The present retrospective study analyses the histological spectrum of pediatric age group brain tumors in seven tertiary care hospitals in India. MATERIAL AND METHODS Data regarding frequencies of various primary brain tumors (diagnosed according ...
'Blastomas' are tumors virtually unique to childhood. Controversy surrounds their nomenclature and there is no globally accepted classification. They are thought to arise from immature, primitive tissues that present persistent embryonal elements on histology, affect a younger pediatric population and are usually malignant. The 'commoner' blastomas (neuroblastoma, nephroblastoma, hepatoblastoma...
Radiosurgery and brachytherapy are potentially useful treatment techniques that sparingly applied in pediatric oncology. They often used the setting of reirradiation for recurrent or metastatic tumors. Reirradiation children with tumors is complicated by tolerance critical organs potential risks overall long-term dose-dependent complications. We review current literature available support use r...
Background: In this study, we examined the epidemiologic characteristics of childhood brain tumors in patients referred to MAHAK Pediatric Cancer Treatment and Research Center (one of the main national referral centers for childhood malignancies in Iran) for treatment. Materials and Methods: This cohort (simple sampling) study consisted of 198 children less than 15 year old with CNS tumor ref...
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