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Query: UMLS:C0027819 (neuroblastoma)
 27,800 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Cefotiam (CTM) was evaluated for its safety and efficacy in children. Twenty-six patients were treated with 40 to 200 mg/kg per day of CTM by intravenous administrations. The diagnosis of the patients were acute pharyngitis (2), acute bronchitis (1), pneumonia (4), empyema (2), urinary tract infection (2), typhoid fever (1), acute enterocolitis (2), partially-treated purulent meningitis (1), and suspected septicemia in neuroblastoma (1); and the remaining ten patients were considered to have nonbacterial infections. The pathogens recovered were Streptococcus pyogenes (1), Streptococcus pneumoniae (1), Staphylococcus aureus (4), Haemophilus influenzae (4), Escherichia coli (1), enteropathogenic Escherichia coli (1), Salmonella typhi (1), and Campylobacter jejuni (1). All but two patients of bacterial infections were cured after the CTM therapy, and the rate of efficacy was 87.5%. Diarrhea (3), urticaria (1), transient elevation of GOT and GPT (1), and transient eosinophilia (3) were found to be associated with the CTM therapy. However, no severe adverse reactions were encountered. Half life of the serum CTM level was 0.93 +/- 0.13 hours, and excretion into the urine was rapid. CSF concentration obtained 1 hour after an intravenous injection of 21 mg/kg of CTM in a case with inflamed meninges was 1.5 mcg/ml, and the CSF/serum ratio was 9.0%. From these data, CTM appears to be a safe and effective antibiotic when used in children with susceptible bacterial infections.
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PMID:[Clinical evaluation of cefotiam therapy in children (author's transl)]. 627 Apr 13

Despite intensified chemotherapy protocols, including autologous bone marrow transplantation (ABMT), stage IV neuroblastoma has a poor prognosis, and modern therapeutic trends are aimed at the eradication of minimal residual disease, which is though to be the main factor leading to relapse. In this pilot study, we report the systemic administration of high doses of interleukin-2 after ABMT in four patients. Five day cycles of IL-2 at a dose of 18 x 10(6) IU/m2/day were administered at variable time intervals as frequent as it was necessary to maintain the levels of natural killer (NK) cytotoxic activity higher than the median control value (40 LU/ml blood) throughout 1 year from the start of first IL-2 treatment. After IL-2 infusion, NK and LAK activities increased significantly (median 742 x 10(-3) LU/ml blood and 186.8 x 10(-3) LU/ml blood, respectively). Toxicities were transient and no life-threatening complications were observed. Fever, anorexia, skin rash and enlarged liver were always present. Anaemia, thrombocytopenia, leukocytosis, lymphocytosis and and eosinophilia occurred following most of the IL-2 courses. Although the small number of patients does not allow an estimation of the immunomodulatory-antineoplasic effects of IL-2, the results seem promising for the management of neuroblastoma patients.
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PMID:High-dose systemic interleukin-2 therapy in stage IV neuroblastoma for one year after autologous bone marrow transplantation: pilot study. 888 13

The classification of renal tumors has evolved from one that initially encompassed only 2 types of tumors, i.e., clear and granular cell carcinomas, to the markedly expanded recent classification that incorporates new entities, some of which are primarily defined by specific molecular abnormalities. Despite these advances, a single tumor category, clear cell carcinoma, still incorporates the majority (approximately 70%) of renal tumors. It is, however, postulated that this single category is likely to encompass several different tumor types that are, at present, undifferentiated. Electron microscopic studies have been pivotal in defining the spectrum of oncocytoma-chromophobe renal cell carcinoma. Cytoplasmic eosinophilia found in some renal cell carcinomas currently classified as clear cell type is under intense study. Tumors that have recently emerged from this group include tumors with translocations involving chromosome Xp11.2, carcinomas associated with neuroblastoma and epithelioid angiomyolipoma. The spectrum of renal tumors seen in younger patients is wider than among older patients, with rare and unusual tumors being more likely seen in younger patients. The author concludes that although the routine application of electron microscopy to kidney tumor diagnosis may not be practical, systematic ultrastructural studies of these tumors may aid in the definition of new entities.
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PMID:The evolving concept of renal neoplasia: impact of emerging molecular and electron microscopic studies. 1603 81