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neuroectodermal tumors/náusea
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A novel case of a CAT to AAT transversion in codon 179 of the p53 gene in a supratentorial primitive neuroectodermal tumor harbored by a young girl. Case report and review of the literature.
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BACKGROUND
The most common cytogenetic abnormality encountered in primitive neuroectodermal tumors (PNET)/medulloblastoma is loss of heterozygosity in the region of the short arm of chromosome 17. There is some evidence that supratentorial PNET has different cytogenetic markers than infratentorial
Primitive neuroectodermal tumor (PNET) of the brain diagnosed during pregnancy.
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BACKGROUND
Brain tumors in pregnancy are extremely rare events. A case of a patient with primitive neuroectodermal tumor (PNET) of the brain diagnosed during the second half of pregnancy is reported.
METHODS
The first case of PNET of the brain diagnosed in a 26-year-old woman, gravida 1 para 0, in
A supratentorial primitive neuroectodermal tumor presenting with intracranial hemorrhage in a 42-year-old man: a case report and review of the literature.
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BACKGROUND
We report on a very rare case of a supratentorial primitive neuroectodermal tumor in an adult, which presented with intracerebral hemorrhage, and review the relevant medical literature.
METHODS
A 42-year-old Caucasian man complained of a sudden headache and nausea-vomiting. The patient
Supratentorial primitive neuroectodermal tumors of infancy: clinical and radiologic findings.
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One hundred ninety-eight children were entered on POG 8633, "Prolonged Postoperative Chemotherapy and Delayed Radiation for Children <3 years of age with Malignant Brain Tumors" (1986-1990). Thirteen manifested supratentorial nonpineoblastoma primitive neuroectodermal tumors, making this the second
Renal Primitive Neuroectodermal Tumor: A Case Report.
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Primitive neuroectodermal tumor (PNET) is a malignant small round cell tumor and typically arises from bone or soft tissue in adolescents and young adults. Renal PNET is extraordinarily rare and exhibits highly aggressive biological behavior with poor prognosis.We present here a new case of renal
Supratentorial primitive neuroectodermal tumor presenting with intracranial hemorrhage in adult.
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A 24-year-old female patient presented with complaints of nausea, vomiting and of loss of consciousness lasted for 15 minutes with left sided weakness. Neuroradiological evaluation revealed a hemorrhagic mass lesion in the right frontal lobe. The patient was operated and intraoperative findings
D-CECaT: a breakthrough for patients with neuroblastoma.
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In view of the high relapse rate following chemotherapy for patients with advanced neuroblastoma (NB) and primitive neuroectodermal tumors (PNET), we designed a novel chemotherapy program which incorporated the iron chelator deferoxamine. The purpose of the deferoxamine was to sensitize the cells to
Phase 2 trial of pemetrexed in children and adolescents with refractory solid tumors: a Children's Oncology Group study.
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BACKGROUND
Pemetrexed is a multi-targeted antifolate that inhibits key enzymes involved in nucleotide biosynthesis. We performed a phase 2 trial of pemetrexed in children with refractory or recurrent solid tumors, including CNS tumors, to estimate the response rate and further define its toxicity
Temozolomide in resistant or relapsed pediatric solid tumors.
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OBJECTIVE
We report the off-label study aimed at investigating the use of temozolomide (TMZ) as single agent in relapsed or resistant pediatric solid tumors. The drug was administered at the dose of 215 mg/m2/day x 5 days or 180 mg/m2/day x 5 days in patients with prior craniospinal irradiation
Medullomyoblastoma: case report.
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This 7-year-old boy presented with a 2-week history of headache, nausea, vomiting, anorexia, lethargy, and unsteadiness of gait. Brain magnetic resonance imaging (MRI) revealed a cystic mass within the vermis of the cerebellum. A suboccipital craniectomy was performed to remove a tumor that
Phase II trial of ifosfamide in children with malignant solid tumors.
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Ifosfamide was given to 61 patients with malignant solid tumors diagnosed before the age of 21 years. In this phase II study, all patients received 1.6 g/m2/day X 5 iv over 15 minutes followed by mesna at a dose of 400 mg/m2 iv at 15 minutes and 4 and 6 hours after ifosfamide. Responses were
Ifosfamide in pediatric malignant solid tumors.
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Ifosfamide/mesna was given to 97 patients who had malignant solid tumors diagnosed before they were 21 years of age. Patients received 1.6 g/m2 ifosfamide daily x 5, given i.v. over 15 min, followed by 400 mg/m2 i.v. mesna at 15 min and 4 and 6 h after ifosfamide. Responses were noted in patients
[Germ cell and embryonal tumors].
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Germ cell tumors, which constitute approximately 3-5% of tumors of the central nervous system (CNS), can be subdivided into germinomas, embryonal carcinomas, yolk sac tumors, choriocarcinomas, teratomas and mixed germ cell tumors. The diagnosis of intracranial germ cell tumor is based on the
Efficacy of temozolomide for recurrent embryonal brain tumors in children.
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OBJECTIVE
The salvage therapy of recurrent embryonal brain tumors in children is disappointing. Temozolomide is a newly developed chemotherapeutic agent in central nervous system tumors. This study analyzed the efficacy of temozolomide on the treatment of recurrent embryonal brain tumors in
Cerebellar neuroblastoma in 2.5 years old child.
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Neuroblastoma is the third most common malignancy of childhood, after leukemia and brain tumors. Only 2% of all neuroblastoma occur in the brain. Primary cerebellar neuroblastoma is an specific subset of Primitive Neuroectodermal Tumors (PNET). Meduloblastoma is a relatively common and
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