نتایج جستجو برای: medulloblastoma radiotherapy

تعداد نتایج: 67113  

Journal: :Neuro-oncology 2022

Abstract Adult-onset medulloblastoma is a rare tumor for which limited data exists. Current treatment based on from childhood medulloblastoma. We present retrospective cohort of 130 consecutive patients age ≥ 18 years and treated at the University Washington (N = 61), Florida 50), Stanford 19), 2000-2021. Median duration follow-up was 57.3 months. Patients were 57.7% male (75/130), with median ...

Journal: :Neuro-oncology advances 2023

Abstract WNT-medulloblastoma has an excellent prognosis, with overall survival rate of 90% among children receiving standard-of-care surgical resection, radiotherapy, and chemotherapy. While curative, this treatment is associated major, long-term, debilitating side effects. Therefore, it crucial we develop effective, less toxic therapies for these children. The Gilbertson lab previously shown t...

Journal: :The Turkish journal of pediatrics 2015
Oya Karadağ Candan Demiröz Abakay Lütfi Özkan Halil Sağlam Metin Demirkaya

We aimed to evaluate long-term toxicity in children with medulloblastoma treated with postoperative radiotherapy (RT). This study included 21 patients aged 4-16 who had been diagnosed with medulloblastoma. All of the patients in the study received postoperative craniospinal RT. Postoperative RT followed by chemotherapy was the treatment protocol. A total of 13 patients (62%) received chemothera...

Journal: :Cureus 2016
Luisa Galvis Diego Gonzalez Carlos Bonilla

Cerebellar medulloblastoma in adults is an uncommon disease. Therefore, most information comes from the pediatric population, and the treatment for relapses is based on series and case reports. The expression of somatostatin receptors has been identified in most medulloblastoma patients, and preclinical experience has shown a promissory response to somatostatin analogs. This report presents a f...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1998
H K Shu M M Kim P Chen F Furman C M Julin M A Israel

Radiation is the primary modality of therapy for all commonly occurring malignant brain tumors, including medulloblastoma and glioblastoma. These two brain tumors, however, have a distinctly different response to radiation therapy. Medulloblastoma is very sensitive to radiation therapy, whereas glioblastoma is highly resistant, and the long-term survival of medulloblastoma patients exceeds 50%,...

2012
Marcel Kool Andrey Korshunov Stefan M. Pfister

Medulloblastoma encompasses a group of aggressively growing cancers that arise either in the cerebellum or brain stem. They present primarily in children, with 80-85 % of medulloblastomas being diagnosed in patients of 16 years and younger. In adults, medulloblastomas are rare and account for less than 1 % of intracranial malignancies. Due to the low incidence of medulloblastoma in adults, the ...

Journal: :International journal of radiation oncology, biology, physics 2007
Arthur K Liu Karen J Marcus Bruce Fischl P Ellen Grant Tina Young Poussaint Michael J Rivkin Peter Davis Nancy J Tarbell Torunn I Yock

PURPOSE Children with medulloblastoma undergo surgery, radiotherapy, and chemotherapy. After treatment, these children have numerous structural abnormalities. Using high-resolution magnetic resonance imaging, we measured the thickness of the cerebral cortex in a group of medulloblastoma patients and a group of normally developing children. METHODS AND MATERIALS We obtained magnetic resonance ...

Journal: :European journal of cancer 2013
Carsten Friedrich André O von Bueren Katja von Hoff Robert Kwiecien Torsten Pietsch Monika Warmuth-Metz Peter Hau Frank Deinlein Joachim Kuehl Rolf D Kortmann Stefan Rutkowski

BACKGROUND Medulloblastoma in adulthood is rare. Knowledge is limited, and the efficacy and toxicity of chemotherapy--especially in nonmetastatic disease--is still elusive. METHODS Seventy adults aged ≥21 years (median age: 28.5 years) with nonmetastatic medulloblastoma were followed as observational patients within the prospective paediatric multicentre trial HIT 2000. Treatment consisted of...

Journal: :The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques 2008
Gloria Roldán Penny Brasher Giacomo Vecil Donna Senger Barry Rewcastle Gregory Cairncross Peter Forsyth Mark Hamilton

BACKGROUND The purpose of this study was to determine incidence, survival rate, and prognostic factors as well as the frequency of Collins' Law Violators (CLVs) in an unselected population of medulloblastoma patients. Collins' Law dictates that 'cure' of a child with a tumor occurs after a period that includes the child's age at diagnosis plus 9 months. METHODS Using the Alberta Cancer Regist...

Journal: :Neuro-oncology 2023

Abstract BACKGROUND: Previously, we reported a case of familial medulloblastoma without hereditary tumor syndrome. Through analysis the whole genome sequencing family members, found common germline WTX (c.1863C>T, p.Gly435Asp) mutation in this family: cytosine (C) at position 63411863 on X chromosome was replaced by thymine (T), and corresponding amino acid glycine Gly (G) 435, which con...

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