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  • 1
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Benign and malignant cartilage tumours as well as normal cartilage were stained immunohistochemically with antibodies raised to a synthetic peptide from the sequence of the c-erbB-2 protein. Positive staining was present in 18/23 of the chondrosarcomas and in one case of osteochondroma. Normal and benign neoplastic cartilage tissues revealed negative results. It is concluded that expression of the c-erbB-2 protein may contribute to cell transformation in chondrosarcomas; it is not apparent whether the expression of c-erbB-2 protein in chondrosarcomas characterizes a subpopulation of different prognostic significance.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Analytica Chimica Acta 116 (1980), S. 119-125 
    ISSN: 0003-2670
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    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.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1433-0474
    Keywords: Schlüsselwörter Dyspnoe ; Chronischer Husten ; Kindesalter ; Pleuropulmonales Blastom ; Kombinierte Therapie ; Key words Dyspnea ; Chronic cough ; Childhood ; Pleuropulmonary blastoma ; Combined therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Background: Chronic cough and thoracic pain, commonly caused by upper airway infections, are frequently seen symptoms in pediatrics. These “benign” symptoms are very seldom caused by malignant disorders. Methods: In two patients (male, age 41/12 and 43/12 years) chronic cough and thoracic pain were due to a malignant pulmonary neoplasm (Pleuropulmonary blastoma). Results: Pleuropulmonary blastoma is a rare malignant primary pulmonary neoplasm in childhood with a poor prognosis. An incomplete resection was performed in both cases. Both patients received postoperative radiotherapy and combination chemotherapy. One boy died, the other one is alive and well more than 6 years after diagnosis without evidence of disease. Conclusion: Our findings indicate that even after incomplete resection subsequent multimodal therapy (adjuvant chemotherapy and radiotherapy) can provide a long term remission.
    Notes: Zusammenfassung Fragestellung: Dyspnoe, chronischer Husten und Brustschmerzen sind häufige Symptome in der pädiatrischen Praxis und werden meist durch banale Infekte der Atemwege verursacht. Nur sehr selten verbirgt sich hinter diesen „gutartigen“ Symptomen eine bösartige Erkrankung. Methode: Wir berichten über 2 Knaben (Alter 4 1/12 und 4 3/12 Jahre) bei denen chronischer Husten und Thoraxschmerzen durch einen bösartigen Lungentumor (pleuropulmonales Blastom) verursacht worden waren. Ergebnisse: Das pleuropulmonale Blastom (PPB) ist ein ausgesprochen seltener, primär intrathorakaler Tumor des Kindesalters mit schlechter Prognose. Bei keinem der beiden Patienten gelang chirurgisch eine vollständige Tumorentfernung. Beide Kinder erhielten postoperativ eine kombinierte Chemo- und Radiotherapie. Ein Knabe verstarb, der 2. Patient ist mehr als 6 Jahre nach der Diagnose ohne Krankheitszeichen. Schlußfolgerungen: Diese Erfahrung zeigt, daß auch nach unvollständiger chirurgischer Tumorentfernung bei konsequenter Anwendung eines multimodalen Therapiekonzepts eine länger anhaltende Remission möglich ist.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 415 (1989), S. 253-258 
    ISSN: 1432-2307
    Keywords: Epithelial markers ; Synovial sarcoma ; Immunohistochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Immunohistochemical studies on synovial sarcomas have proved the potentiality of these neoplasm for epithelial and mesenchymal differentiation and antibodies detecting epithelial cells have been found to be helpful in determining the histological types. In this study different epithelial markers directed against various cytokeratins, HMFG-2 and EMA were investigated on paraffin embedded tissues of 13 cases of synovial sarcomas, with regard to their reliability in unmasking the epithelial components demonstrable in this type of neoplasm. The results lead to three conclusions firstly, synovial sarcomas possess the capacity for generating different epithelial cell types with uncommon compositions of intermediate filaments as well as of membrane proteins, secondly, these features may be expressed in a heterogenous pattern even within the same tumour and finally, the use of wide range anti-cytokeratin antibodies covering the spectrum of basic as well as acidic type proteins seems to be necessary for the detection of all epithelial components demonstrable in synovial sarcomas.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Microchimica acta 72 (1979), S. 355-364 
    ISSN: 1436-5073
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary A new fluorescent reagent was tested for its suitability to determination of tertiary amines by ion-pair-extraction and applied to various drugs. The behaviour in the extraction process was quantified by determination of extraction constants. Due to the high fluorescence intensity of the reagent, quantitative determination in the ng-range is possible.
    Notes: Zusammenfassung Ein neues Fluoreszenzreagens wurde auf seine Eignung zur Bestimmung tertiärer Amine mittels Ionenpaarextraktion geprüft und auf verschiedene Arzneistoffe angewandt. Die Extraktionseigenschaften wurden durch Ermittlung der Extraktionskonstanten quantitativ erfaßt. Das Reagens zeichnet sich durch hohe Fluoreszenzintensität aus, wodurch quantitative Bestimmungen im Nanogramm-Bereich möglich sind.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1963
    Keywords: Schlüsselwörter Embryonales Rhabdomyosarkom ; Weiblicher Genitaltrakt ; Prognose ; Differentialdiagnose ; Key words Embryonal rhabdomysarcomas ; Female genital tract ; Prognosis ; Differential diagnosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Embryonal rhabdomyosarcomas of the female genital tract usually occur during infancy in the vagina. Only in rare cases can they be found in the cervix, where they are most commonly seen in adolescence. Their prognosis seems to be good since the introduction of a combination of surgery and chemotherapy. We report a case of cervical embryonal rhabdomysarcoma in IRS stage Ia in a 32-year-old female. After surgical resection and chemotherapy there has been no evidence of disease for 7 months. The case is compared with the published literature and prognostically relevant features, and possible problems in the differential diagnosis in biopsies are discussed.
    Notes: Zusammenfassung Embryonale Rhabdomyosarkome (ER) des weiblichen Genitaltrakts treten üblicherweise im Kindesalter an der Vagina auf. Nur in seltenen Fällen sind sie in der Adoleszenz an der Zervix anzutreffen. Ihre Prognose ist bei chirurgischer Entfernung des Tumors und adjuvanter Chemotherapie gut. Wir präsentieren den Fall einer 32 jährigen Frau mit einem embryonalen Rhabdomyosarkom der Zervix im IRS Stadium Ia. Nach der chirurgischen Entfernung des Tumors und anschließender Chemotherapie ist die Patientin seit 7 Monaten klinisch tumorfrei. Der Fall wird mit den bisher publizierten Fällen embryonaler Rhabdomyosarkome verglichen, prognostisch relevante Faktoren und die möglichen Probleme in der differential-diagnostischen Abgrenzung in Biopsien werden diskutiert.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Der Pathologe 21 (2000), S. 339-348 
    ISSN: 1432-1963
    Keywords: Schlüsselwörter Pathologische Befunde ; Frühgeburt ; Therapiefolgen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung Die Pathomorphologie des Frühgeborenen kann als Wechselspiel von Morphologie der Organunreife und Therapie sowie deren Folgen angesehen werden. Beispiele zur Pathomorphologie: Beispiele inkludieren den Wandel im morphologischen Bild des sog. Hyaline-Membranen-Syndroms und der bronchopulmonalen Dysplasie, die infolge moderner neonatologischer Therapie kaum mehr in ihrer ursprünglich definierten Form gesehen werden. Hämorrhagische und ischämisch-hypoxische Läsionen des ZNS weisen oft alters- und ursachenabhängige Verteilungsmuster auf, wobei subependymäre Blutungen und periventrikuläre Leukomalazie mit ihren Spätfolgen die wichtigsten Beispiele darstellen. Das häufigste intestinale Krankheitsbild, die nekrotisierende Enterokolitis, präsentiert sich mit segmentalen Läsionen, deren Morphologie in Abhängigkeit vom dominierenden auslösenden Faktor variieren kann. Hepatische Cholestase und Verfettung kommen als Folge von parenteraler Ernährung, aber auch von Ischämie und Hypoxie vor. Lebernekrosen sind vorrangig mit letzterer, aber auch mit disseminierter intravasaler Koagulation assoziiert. Als Beispiele vaskulärer pathologischer Befunde werden thrombembolische Läsionen mit Extremitäten- und Organinfarkten genannt, die gleichzeitig typische Therapiefolgen darstellen.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 155 (1996), S. 373-376 
    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.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 155 (1996), S. 373-376 
    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.
    Type of Medium: Electronic Resource
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