Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0027819 (neuroblastoma)
 27,800 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

In 56 cases of children with tumours, the level of alpha-fetoprotein (AFP) was established with radio-immunological method. There were 15 children with neuroblastoma, 13 with ovarian tumours, 14 with sacro-coccygeal tumours, 7 with tumours of liver and 7 with tumours of testis. The level of AFP was elevated in all children with hepatoblastoma, carcinoma embryonale, and malignant teratoma. Monitoring was performed in 15 children with tumours mentioned above. Usefulness of evaluation of AFP level in blood serum in these tumours has been confirmed by diagnosis. In effective treatment of these tumours, AFP level has fallen down to normal. Its rising up again prognosed tumour's relapse several months before.
 ...
PMID:[Radioimmunological monitoring of the treatment of malignant neoplasms in childhood]. 618 14

The Manchester Children's Tumour Registry data for the period 1954-1977 have been analysed. The overall incidence of malignant disease in children aged 0-14 years in the north-west of England is estimated to be 100 per million person-years. The most common disease group is leukaemia, which forms about one third of the total number of cases. Among solid tumours, by far the most common presenting site is the central nervous system, representing nearly a quarter of all neoplasms. Wilms' tumour, neuroblastoma and soft-tissue sarcomas comprise approximately 5%, 6.5% and 6% respectively of the total. The tumours most frequently seen in adults (e.g. carcinoma of colon, lung and breast) are extremely rare in childhood. A significant excess of males was seen in acute lymphoid leukaemia, non-Hodgkin's lymphoma, Hodgkin's disease, medulloblastoma and hepatoblastoma. A female excess was found among germ-cell tumours. During the study period significant increases in incidence were seen among acute lymphoid leukaemia and epithelial tumours, and an increase in germ cell tumours approached significance.
 ...
PMID:Incidence of malignant disease in childhood: a 24-year review of the Manchester Children's Tumour Registry data. 625 25

beta-Adrenergic receptors were demonstrated in membrane preparations from 6 human Ewing's sarcomas and compared to those from 46 other pediatric cancers with the use of the beta-adrenergic antagonist (-)-(3H)dihydroalprenolol [(-)[3H]DHA]. In contrast to the high numbers of receptor sites found in Ewing's sarcomas (55-640 fmol x mg-1 protein; dissociation constant Kd, 1-2 nM), other childhood cancers (neuroblastoma, rhabdomyosarcoma, brain tumors, lymphoma, osteosarcoma, hepatoblastoma, yolk sac, and Wilms' tumor) contained in general fewer beta-adrenergic receptor sites. Characteristics of (-)-[3H]DHA binding were therefore more fully characterized in the Ewing's tumors. Competition of (-)-[3H]DHA binding by classical catecholamine agonists, as well as by subtype selective agents metoprolol and zinterol, demonstrated the presence of a homogeneous population of beta 1-adrenergic sites in several Ewing's tumors. Adenylate cyclase activity in all Ewing's sarcomas was enhanced by GTP and NaF. However, in spite of high numbers of beta-adrenergic receptors, (-)-isoproterenol was not very effective in the activation of adenylate cyclase activity in several of the Ewing's tumors tested. Neither guanyl-5'-yl-imidophosphate nor GTP altered agonist potency for the receptor site in these catecholamine-insensitive tumors. Hill coefficients obtained from the competition experiments with (-)-isoproterenol (in the presence or absence of guanine nucleotide) were approximately 1.0. These uncoupled receptors were resistant to N-ethylmaleimide denaturation and were densensitized only 50% during culture in the presence of (-)-isoproterenol. Thus Ewing's sarcomas are relatively rich in beta-adrenergic sites, and several tumors appear to have a coupling lesion involving guanine nucleotide-dependent regulatory protein interaction with beta-adrenergic receptors and adenylate cyclase, similar in phenotype to that described in the (unc) variant of S49 mouse lymphoma.
 ...
PMID:beta-Adrenergic receptors in pediatric tumors: uncoupled beta 1-adrenergic receptor in Ewing's sarcoma. 631 52

Forty-four cases with childhood solid malignancy during the period from 1973 to 1982, were analysed. 11 cases underwent second-look operation, including 4 neuroblastomas, 4 hepatoblastomas, 1 malignant teratoma, 1 nephroblastoma, and 1 rhabdomyosarcoma. Two cases of hepatoblastoma in second-look operation are surviving over two years with no evidence of disease, and one case survived 5 years 8 months. For one patient of initially unresectable neuroblastoma, second-look operation was successfully performed by complete resection followed by paraortic-lymphonode dissection. In two cases of Wilms' tumor and malignant teratoma, second-look operations were performed for the purpose of treatment decision after radical operation. In the unresectable tumors or recurrent tumors or metastatic lesions, complete cure can be expected by aggressive surgical approach and combination chemotherapy followed by second-or third-look operation.
 ...
PMID:[Second-look operation for childhood solid malignancy]. 631 84

Three enolase isozymes (alpha alpha, alpha gamma, and gamma gamma) and S-100 protein in the extract of neuroendocrine tumors (neuroblastoma, ganglioneuroblastoma, ganglioneuroma, and pheochromocytoma) and nonneuroendocrine tumors (Wilms' tumor, rhabdomyosarcoma, and hepatoblastoma) were determined by means of enzyme immunoassay systems. All of the tumors examined showed a high level of alpha alpha-enolase (1.71 to 19.0 micrograms/mg protein). Levels of nervous system-specific enolases (NSE; alpha gamma and gamma gamma) in the neuroendocrine tumors were also rather high (alpha gamma, 1.64 to 7.45 micrograms/mg protein; gamma gamma, 0.052 to 5.56 micrograms/mg protein). However, the NSE concentration in the extract of nonneuroendocrine tumors was low (alpha gamma, less than 0.88 micrograms/mg protein; gamma gamma, 0 microgram/mg protein). The level of S-100 protein was relatively high in ganglioneuroma (greater than 500 ng/mg protein) and ganglioneuroblastoma (greater than 100 ng/mg protein), but low in neuroblastoma (less differentiated neuroendocrine tumor) and nonneuroendocrine tumors. Serum levels of enolase isozymes were also determined in neuroblastoma patients before and after resection of primary tumor or effective chemotherapy. The elevated level of serum NSE (alpha gamma and gamma gamma) was markedly decreased with little change in the alpha alpha level by the treatment.
 ...
PMID:Determination of three enolase isozymes and S-100 protein in various tumors in children. 631 26

Magnetic resonance (MR) imaging was performed in 10 children with intrathoracic disease. Entities imaged included mediastinal lymphoma and neuroblastoma, pulmonary metastases from hepatoblastoma and osteogenic sarcoma, hemorrhagic pleural effusion, and nonmalignant disease such as abscess, cystic fibrosis, and bronchogenic cyst. MR imaging was particularly valuable in delineating mediastinal and parenchymal masses from adjacent vascular structures without the need for contrast material enhancement. However, MR was insensitive to lesion calcification. Since pulmonary vessels give very low signal, differentiation of high-intensity pulmonary nodules from vessels is readily apparent. For similar reasons, MR was excellent in distinguishing endobronchial mucus plugs from peripheral pulmonary vessels.
 ...
PMID:Magnetic resonance imaging of the thorax in childhood. Work in progress. 669 Nov 2

The TNM classifications of neuroblastoma, nephroblastoma and soft tissue sarcoma were adopted at the International Conference for TNM Classification (UICC) held in May 1980. There is no TNM system under contemplation, however, for primary liver carcinoma in childhood. Accordingly, we have formulated the proposed Japanese TNM system for this carcinoma in children and examined its validity in 136 cases of hepatoblastoma seen in the listed 14 institutions. The basic policy of the Committee on the Japanese TNM Classification is not to include the resectability of the tumor and regional lymph nodes or any other status of the disease resulting from therapeutic intervention as a component of the pTNM system. This is a feature which makes our proposed system widely divergent from the accepted classification scheme for the three types of tumor cited above.
 ...
PMID:The proposed Japanese TNM classification of primary liver carcinoma in infants and children. 688 56

A total of 114 children with solid tumors refractory to conventional therapy were evaluated for response and/or toxic effects after receiving cisplatin at doses of 3.0-4.5 mg/kg with aggressive hydration and mannitol diuresis every 3 weeks; a minimum of two courses was required for evaluation of response (110 patients). Objective responses were noted in 18 patients: rhabdomyosarcoma (three), Wilm's tumor (three), osteogenic sarcoma (three). Ewing's sarcoma (two), neuroblastoma (one), undifferentiated sarcoma (one), hepatoblastoma (one), ovarian teratoma (one), hepatocellular carcinoma (one), embryonal carcinoma of the mediastinum (one), and thymoma (one). Twenty-six patients had some evidence of renal toxicity. Asymptomatic hearing loss was commonly found when audiometry was performed (eight of 18 patients tested). Eight additional patients had symptomatic hearing problems--tinnitus or hearing loss. Myelosuppression was mild. Hypomagnesemia and/or hypocalcemia were common but only one patient had symptoms. Cisplatin, administered at a dose of 3.0 mg/kg with aggressive hydration and mannitol diuresis, is reasonably well-tolerated. Its role in the therapy for those tumors against which it shows activity remains to be determined.
 ...
PMID:Phase II trail cisplatin in refractory childhood cancer: Children's Cancer Study Group Report. 694 56

Survival of some types of childhood neoplasms has improved considerably but remained poor for other types. Improvement in survival rate of common types of childhood neoplasms over the past three decades was assessed at the largest children's hospital in Japan. Using the data of the cancer registry of the hospital which recorded all the patients from 1965 to 1993, totalling 1026 cases, survival rate was analyzed for each type of neoplasm categorized by the S-classification for childhood neoplasms, a modification of the International Classification of Diseases. Survival was assessed for five 5 year periods from 1965 and a 4 year period from 1990-93. The 5 year survival rate for all neoplasms combined improved from 21.8% in the 1965-69 period to 73.3% in the 1985-89 period. Female patients' survival was better than male patients' in all periods. The improvement in survival rate was considerable for leukemia and malignant lymphoma, fairly good for neoplasms of the renal (mostly Wilms' tumor) and digestive (mostly hepatoblastoma) organs and moderate for neuroblastoma. Overall, survival rates of childhood neoplasms improved considerably. Much of this improvement was explained by a great improvement in survival rates of neoplasms of the blood which constituted the majority of patients.
 ...
PMID:Trends in survival of childhood malignancy for the past three decades. I: Leukemia, malignant lymphoma, neuroblastoma, retinoblastoma and neoplasms of the urinary and digestive organs. The Committee for the Studies of the Treatments and the Biological Characteristics of Childhood Cancers. 757 49

The ability to accurately assess tumor size and orientation to surrounding vital structures is an important consideration during preoperative evaluation. The authors report on nine children with solid tumors (hepatoblastoma [1], neuroblastoma [2], adrenal cortical carcinoma [2], liver adenoma [1], primitive neuroectodermal tumor [PNET] [1], and stage V Wilms' tumor [2]) for whom tumor resectability was questioned because of the tumors' close proximity to major blood vessels (noted through conventional radiographic imaging). The children had scanning with spiral volumetric acquisition computerized tomography, (CT) which obtains images during continuous rotation of the x-ray source while the patient moves at a constant velocity through the gantry. This technique is rapid (18 to 30 seconds), and is similar with respect to radiation exposure; little or no sedation is required, and the contrast dose is lower than that of conventional CT. Three-dimensional reconstruction of spiral CT imaging provided useful information that allowed successful resection in all nine cases. The authors suggest that spiral CT may become an important imaging modality in the preoperative evaluation of pediatric solid tumors and that further evaluation of this new methodology is warranted.
 ...
PMID:The role of spiral (helical) computerized tomography with three-dimensional reconstruction in pediatric solid tumors. 773 57


<< Previous 1 2 3 4 5 6 7 8 9 10 Next >>