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  • 1
    ISSN: 1432-1076
    Keywords: Hemihypertrophy ; Wilms' tumor ; Adrenocortical neoplasia ; Wiedemann-Beckwith syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A girl with hemihypertrophy and hamartomas, now 14 years old, had Wilms' tumor and subsequently developed adrenocortical carcinoma. The occurrence of the two tumors with the signs of an inborn defect of growth control supports the hypothesis that both tumors can be caused by the same etiologic factors, which are also teratogenic. An alternative explanation of induction of the second tumor by previous radio- and chemotherapy is discussed. Possible relationships between our case and the syndrome of Wiedemann and Beckwith are pointed out.
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  • 2
    ISSN: 1432-1076
    Keywords: Hepatitis B: prevention and control ; Vaccination ; Paediatrics ; Medical oncology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Fifty children with malignant diseases were vaccinated against hepatitis B. Twenty-nine children suffered from leukaemia or non-Hodgkin's lymphoma; 14 of these were on intensive chemotherapy (group I) and 15 were without intensive therapy (group II). The other 21 children had various forms of solid tumours, 14 of them were on intensive therapy (group III) and 7 were without intensive therapy (group IV). To evaluate the immune response, we determined antibody titres over a period of more than 14 weeks after the first vaccination. As 22 out of 50 patients had received passive immunisation together with either the first or the first and second vaccination, antibody titres at the 14th and 18th week (i.e. more than 10 weeks after passive immunisation) were used to evaluate the vaccination results. An antibody titre of ≥10 mIU/ml was considered to be a positive response. All patients of group IV, but only 4 out of 14 in group III, 4 out of 15 in group II, and 0 out of 14 in group I produced antibody titres higher than 50 mIU/ml. In contrast to the full response in group IV, two-thirds of all other patients had no immune response (〈10 mIU/ml). Based on our experience we recommend vaccinating patients suffering from solid tumours and receiving no intensive therapy (group IV) against hepatitis B and protecting all the other children with malignant diseases by passive immunisation, if necessary.
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  • 3
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary We present a highly sensitive method that has been applied to map the chromosomal origin of the prominent cell surface antigen of Ewing's tumor cells recognized by monoclonal antibody HBA-71. The technique allows an unambiguous identification of human chromosomal material in interspecific cell hybrids. This is achieved by fluorescent in situ hybridization of biotinylated total human DNA, followed by high resolution fluorescence banding with the chromomycin/distamycin/ DAPI triple stain. An advantage of this method is that all signals can be visualized in one single operation by simply switching the appropriate filter blocks. The protocol has proved extremely useful in gene mapping by means of interspecific cell hybrids, a technique that depends on the accurate and unambiguous recognition of the relevant (e.g., human) genetic material in the clonal genome. Our studies confirm that this antigen is the product of the MIC2 gene, which is so far the only well-studied pseudoautosomal gene in man, and which is located on the short arms of chromosomes X and Y. Furthermore, no influence of the Ewing's tumor-specific translocation t(11;22) on MIC2 expression could be discerned.
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  • 4
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    Springer
    European journal of pediatrics 141 (1983), S. 117-119 
    ISSN: 1432-1076
    Keywords: Hodgkin's disease ; Mediastinal mass ; Thymic cyst
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two children are presented with Hodgkin's disease and a mediastinal mass which did not respond to polychemotherapy and radiation therapy and proved to be a benign thymic cyst. The coincidence of Hodgkin's disease with a benign thymic cyst has only been reported once before [11]. The diagnostic and therapeutic implications are discussed.
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  • 5
    ISSN: 1432-1076
    Keywords: Cancer ; Leukaemia ; Hepatitis ; Hepatitis-C virus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A total of 203 paediatric cancer treatment survivors were tested for serum antibodies against hepatitis-C virus (anti-HCV). Anti-HCV was detected in 41 patients (20.2%) with first generation anti-HCV ELISA. Positive results were confirmed in all samples retested with a second generation ELISA (n=35) and in all but two cases re-analysed by immunoblotting (n=23). Anti-HCV positive children had received significantly more blood product transfusions compared to seronegative patients. In 75 children (32%) chronic liver disease was found. It was defined as an elevation of serum alanine aminotransferase values to a least 2.5 times the upper limit of normal persisting for 6 months or longer. Hepatitis A was never detected, and in 58 children the chronic hepatopathy was unexplained by hepatitits B (non-A non-B chronic liver disease). Of these patients 29 (50%) were seropositive for anti-HCV. Surprisingly, non-A/non-B chronic liver disease was associated with anti-HCV in 14 of 19 solid tumour patients (78.9%), but in no more than 14 of 39 leukaemia and lymphoma patients (35.9%). This phenomenon was not explained by different rates of cytomegalovirus disease and drug toxicity related hepatopathies between the two groups. It may be related to differences of leukaemia/lymphoma compared to solid tumour therapy schedules (differential immuno-suppression and liver toxicity).
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  • 6
    ISSN: 1432-1076
    Keywords: Ewing tumours ; EWS-FLI-1 fusion transcripts ; Circulating tumour cells ; Tumour biopsy ; Minimal metastatic disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Ewing sarcoma and the closely relate peripheral primitive neuroectodermal tumour, recently referred to as Ewing tumour (ET), are characterised by unique gene rearrangements on chromosome 22. The breakpoints have been cloned and shown to fuse the Ewing sarcoma gene to one of two closely related ETS proto-oncogens, FLI-1 or ERG, which reside on chromosomes 11 and 21, respectively. The rearrangement results in the expression of specific hybrid transcripts which can be detected with high sensitivity by the reverse transcriptase polymerase chain reaction technique (RT-PCR) in primary tumours, blood and bone marrow. We report on a 7-month-old boy with a pelvic Ewing sarcoma in whom circulating tumour cells were identified in the peripheral blood during open tumour biopsy by RT-PCR. However, before and 6 days after surgery no tumour cells could be detected in the peripheral blood. Conclusion The application of RTPCR to monito shedding of tumour cells during surgical intervention will nelp to evaluate if open biopsy potentially contributes to metastatic tumour cell spread.
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  • 7
    ISSN: 1432-1076
    Keywords: Key words Ewing tumours ; EWS-FLI-1 fusion transcripts ; Circulating tumour cells ; Tumour ; biopsy ; Minimal metastatic disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Ewing sarcoma and the closely related peripheral primitive neuroectodermal tumour, recently referred to as Ewing tumour (ET), are characterised by unique gene rearrangements on chromosome 22. The breakpoints have been cloned and shown to fuse the Ewing sarcoma gene to one of two closely related ETS proto-oncogens, FLI-1 or ERG, which reside on chromosomes 11 and 21, respectively. The rearrangement results in the expression of specific hybrid transcripts which can be detected with high sensitivity by the reverse transcriptase polymerase chain reaction technique (RT-PCR) in primary tumours, blood and bone marrow. We report on a 7-month-old boy with a pelvic Ewing sarcoma in whom circulating tumour cells were identified in the peripheral blood during open tumour biopsy by RT-PCR. However, before and 6 days after surgery no tumour cells could be detected in the peripheral blood. Conclusion The application of RT-PCR to monitor shedding of tumour cells during surgical intervention will help to evaluate if open biopsy potentially contributes to metastatic tumour cell spread.
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  • 8
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
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  • 9
    ISSN: 1432-1076
    Keywords: Key words Health-related quality of life ; Health status ; Cross-cultural adaptation ; Children ; Health Utilities Index
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Steady progress in developing effective treatments for childhood cancer and other severe pediatric diseases has established the need to consider the nature and frequency of late physical and psychological effects. The Health Utilities Index Mark 2 and Mark 3 (HUI2/3) systems were developed by Feeny, Furlong, Torrance et al. in Canada. These systems are generic multi-attribute measures of a person's health status and health-related quality of life. The first German version of the Canadian HUI2/3 questionnaire was created in our clinic, following recommended guidelines for cross-cultural adaptation of health-related quality of life measures. The usefulness of the resultant version was investigated using a sample of 142 patients who presented to our oncological outpatients' department for a routine health care visit after completion of treatment. The 15 items of the HUI2/3-questionnaire were answered independently by three groups of assessors – nurses, physicians, and parents or patients. Two additional questions covered ratings of the severity of treatment effects and the specification of these effects. The questionnaire was both easy to use and acceptable to the assessors. Percentage agreement between observers about levels for individual attributes ranged from 56% to 100%, with the lowest agreement on the subjective attributes of emotion, pain and cognition. These results are in accordance with previous studies using the original instrument. HUI2 global utility scores were significantly related to ratings of treatment sequelae, giving support to the discriminant validity of the measure. Conclusion The German version of HUI2/3 is a useful instrument with generally high inter-observer agreement and good suitability for outcome measurement in childhood cancer patients. Further research is needed to assess the usefulness of the instrument in other clinical populations and its sensitivity in longitudinal studies.
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  • 10
    ISSN: 1433-0474
    Keywords: Schlüsselwörter Subkutane Weichteilknoten ; Differentialdiagnose ; Alveolar soft part sarcoma ; Therapie ; Key words Subcutaneous mass ; Differential diagnosis ; Alveolar soft part sarcoma ; Treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Background: A slow growing indolent subcutaneous mass can be caused by a variety of benign and malignant soft tissue proliferations, however, it is often the first sign of soft tissue sarcomas. Radiological findings are unspecific and biopsy with histopathological analysis is needed. Method: Three female patients (age 9, 191/12 and 232/12 years) are presented with a slow growing subcutaneous mass, which was shown to be a malignant non-embryonal soft tissue sarcoma (alveolar soft part sarcoma). Results: Alveolar soft part sarcoma (ASPS) is a very rare malignancy. At diagnosis, 2 patients already had metastatic disease. One girl died before therapy, the other one suffers from slowly progressive pulmonary metastases 41/2 years after diagnosis, despite multi-modal treatment approaches. The third patient received polychemotherapy and local irradiation after complete tumor resection and is free of disease 8 months after diagnosis. Conclusion: ASPS is a rare slow growing malignancy with an extraordinary tendency to metastasize. The prognosis depends on wether the tumor is operable and whether there are metastases.
    Notes: Zusammenfassung Fragestellung: Langsam wachsende nicht schmerzhafte subkutane Knoten können durch unterschiedlichste gut- oder bösartige mesenchymale Proliferationen verursacht sein. Da sich hinter diesem Zeichen oft ein Malignom verbirgt und bildgebende Analysen nur selten den Weg zur Diagnose weisen, ist eine bioptische Klärung dringend erforderlich. Methode: Wir berichten über 3 Patientinnen (Alter 9, 191/12 und 231/6 Jahre) bei denen sich hinter einem langsam wachsenden subkutanen Knoten ein nicht embryonales Sarkom (Alveolar soft part sarcoma) verbarg. Ergebnisse: Das Alveolar soft part sarcoma (ASPS) ist ein ausgesprochenes seltenes Malignom. Zum Diagnosezeitpunkt lag bei 2 Patientinnen bereits eine Metastasierung vor. Eine Patientin verstarb noch vor Behandlungsbeginn. Bei der 2. sind Lungenmetastasen trotz multimodaler Therapie 41/2 Jahre nach Diagnosestellung langsam progredient. Die 3. Patientin erhielt nach Resektion eines lokalisierten ASPS am Oberarm postoperativ eine Polychemo- und lokale Strahlentherapie und ist 8 Monate nach der Diagnosestellung ohne Krankheitszeichen. Schlußfolgerung: Das ASPS ist ein langsam wachsender Tumor mit ausgeprägter Metastasierungstendenz. Die Prognose ist im wesentlichen von der Operabilität des Primärtumors und dem Vorliegen von Metastasen abhängig.
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