نتایج جستجو برای: Medulloblastoma Radiotherapy

تعداد نتایج: 67113  

Journal: :The Lancet. Oncology 2016
Talha Khan Burki

www.thelancet.com/oncology Published online August 11, 2016 http://dx.doi.org/10.1016/S1470-2045(16)30390-4 1 The proportion of children with medulloblastoma receiving deferred postoperative radiotherapy more than tripled in the USA from 2004 to 2012, according to new research. Benjamin Kann (Yale University School of Medicine, New Haven, CT, USA) and colleagues examined the records of 816 pati...

Journal: :iranian journal of medical physics 0
hamidreza baghani ph.d. student, radiation-medicine dept., nuclear engineering faculty, shahid beheshti university, tehran, iran seyed mahmoodreza aghamiri associate professor, radiation-medicine dept., nuclear engineering faculty, shahid beheshti university, tehran, iran hossein gharaati associate professor, medical engineering and physics dept., medical faculty, medical science university of tehran, tehran, iran seyed rabie mahdavi assistant professor, medical physics dept., medical faculty, medical science university of iran, tehran, iran

introduction: orthogonal radial fields are those in which the central axes are perpendicular to each other. an example of these orthogonal fields is the set of craniospinal orthogonal fields that are used for radiotherapy of medulloblastoma. craniospinal radial fields consist of two parallel-opposed fields for brain exposure and one or two posterior spinal fields for spinal cord exposure. the m...

Journal: :Neurosurgical focus 1999
D R Gold R J Packer B H Cohen

Medulloblastoma and primitive neuroectodermal tumors (PNETs) are the most common malignant brain tumors in children. The concern for late sequelae of neuraxis irradiation and the obligation to improve disease-free survival in children who harbor malignant brain tumors has led to the additional provision of systemic chemotherapy to standard- and reduced-dose radiotherapy, as well as to the evalu...

Journal: :Turkish neurosurgery 2013
Nishimoto Takeshi Sugiyama Kazuhiko Iida Koji Hidaka Toshikazu Kurisu Kaoru

Multiple primitive intracranial tumors with different histological characteristics are uncommon. Although coexistence of a medulloblastoma with glial tumors has been reported in children, medulloblastoma is rarely found in adults, especially those older than 40 years of age. We present an extremely rare case of a medulloblastoma developing in a 40-year-old male undergoing maintenance chemothera...

Journal: :Acta neurologica Belgica 2007
J Poelen H J J A Bernsen M J J Prick

Medulloblastoma is a malignant brain tumour most frequently seen in children. Treatment of this tumour type usually consists of surgery followed by radiotherapy. Relapses of medulloblastoma are sensitive to chemotherapy and treatment with chemotherapeutics in children has increased the survival rates. A medulloblastoma at adult age is extremely rare, and there is no overall accepted treatment, ...

2015
A. Taqaddas

Medulloblastoma (MB) is one of the most prevalent brain tumours among paediatrics. Although its management has evolved over time still there is need to find new therapeutic targets for MB that can result in less normal tissue toxicity while improving survival and reducing recurrence. This literature review is aimed at finding new potential therapeutic targets for MB focusing on viruses that can...

Journal: :medical journal of islamic republic of iran 0
eshagh bahrami rasool-e-akram hospital, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) sahar bakhti rasool-e-akram hospital, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: rasool-e-akram hospital, seyed-mohammad fereshtehnejad department of neurobiology, care sciences, and society (nvs), karolinskainstitutet, stockholm, sweden.سازمان اصلی تایید شده: 0 دانشگاه های خارج از کشور mansour parvaresh rasool-e-akram hospital, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: rasool-e-akram hospital, mohammad reza khani department of neurosurgery, milad hospital, tehran, iran.سازمان اصلی تایید شده: سازمان تامین اجتماعی سازمان های دیگر: milad hospita

medulloblastoma is quite uncommon in the adult population and even rarer in extra-axial site in cerebello- pontine (cp) angle. in this report, a 23-year-old male patient with a two month history of deafness, nausea, vomiting and ataxia is presented. clinical and radiological findings demonstrated a heterogeneously enhanced extra-axial lesion in the right cp angle. total excision was performed a...

Journal: :Neuro-oncology 2022

Abstract We show the therapeutic potential of myeloid-directed immunomodulatory treatment for medulloblastoma. Patients with medulloblastoma, most common malignant pediatric brain tumor, need new treatments, as standard therapy produces disabling neurotoxicities and fails 20% patients. About 30% medulloblastomas hyperactivation SHH (Sonic Hedgehog) signaling pathway, these tumors have large mye...

2012
Joanna Keating Maria Tsoli Andrew R. Hallahan Wendy J. Ingram Michelle Haber David S. Ziegler

Medulloblastoma is the most common malignant brain tumor of childhood. Novel therapeutic strategies are urgently needed to overcome cytotoxic resistance. We hypothesized that antiapoptotic signals contribute to resistance and that treatment with proapoptotic agents could increase the efficacy of conventional therapies. A PCR array was used to assess the status of the apoptotic signaling pathway...

  Medulloblastoma is quite uncommon in the adult population and even rarer in extra-axial site in cerebello-   pontine (CP) angle. In this report, a 23-year-old male patient with a two month history of deafness, nausea, vomiting and ataxia is presented. Clinical and radiological findings demonstrated a heterogeneously enhanced extra-axial lesion in the right CP angle. Total excision was perform...

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