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  • 1990-1994  (15)
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 124 (1991), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A case of Wells'syndrome is reported that developed in a 6-year-old boy 1 week after having chickenpox.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 46 (1990), S. 736-738 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 46 (1990), S. 1359-1360 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 46 (1990), S. 1596-1597 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    World journal of surgery 15 (1991), S. 62-67 
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Alors que la résection de métastases hépatiques métachrones des cancers colorectaux peut Être considérée comme une thérapeutique à visée curative dans certains cas, on sait peu de choses en ce qui concerne le pronostic après résection de lésions hépatiques synchrones. Auparavant, ces lésions n'étaient traitées qu'à visée palliative. Nous avons analysé les observations de 36 patients ayant eu une résection à visée curative de métastases hépatiques synchrones des cancers colorectaux traités entre 1977 et 1987 dans le service de chirurgie de l'Hôpital Universitaire de Hanovre. Dans 19 cas, la résection hépatique était effectuée en mÊme temps que la colectomie et dans 17 cas, après un intervalle médian de 2 mois. Il n'y avait aucune mortalité dans les deux séries. La survie médiane était de 28 mois pour tous les patients: le temps de récidive médian était de 13.5 mois. La probabilité de survie à 5 ans pour tous les patients était de 20%. Il n'y avait aucune différence observée selon que la lésion hépatique avait été réséquée simultanément ou pas (survie médiane 18 mois vs 31 mois). La survie n'était pas différente selon que les lésions hépatiques étaient simples ou multiples (26 vs 28 mois). Chez 21 des 36 patients, les métastases ont récidivé. Chez sept de ces patients, une résection à visée curative a pu Être proposée à nouveau. La survie chez ces sept patients était significativement améliorée par rapport aux 14 autres patients (p〈0.05). On conclut que la résection de métastases hépatiques synchrones des cancers colorectaux est valable. Le fait que la résection soit simultanée ou retardée n'a pas d'importance.
    Abstract: Resumen En tanto que la resección de metástasis hepáticas, metacrónicas del cancer colorrectal es considerada como un aproche potencialmente curativo, poco se conoce sobre el pronóstico después de la resección de metástasis hepáticas sincrónicas; en el pasado estos pacientes han sido generalmente sometidos a terapia paliativa solamente. Por consiguiente, nos propusimos analizar la información sobre 36 pacientes sometidos a resección curativa de metástasis sincrónicas de carcinomas colorrectales en el período 1977–1987 en el Departamento de Cirugía de la Escuela de Medicina de Hannover. En 19 pacientes se combinó la resección hepática con la resección del colon; en los otros 17 pacientes la resección hepática fue realizada después de un intervalo promedio de 2 meses de efectuada la resección primaria. No hubo mortalidad operatoria con ninguno de los 2 aproches. El tiempo promedio de sobrevida fue de 28 meses para la totalidad de los pacientes con un intervalo libre de recurrencia promedio de 13.5 meses. La probabilidad global de supervivencia a 5 a∼nos para la totalidad de los pacientes fue de 20%. No se hallaron diferencias significativas entre los pacientes sometidos a resección hepática inmediata o diferida (sobrevida promedio de 18 meses versus 31 meses). Las tasas de sobrevida no fueron diferentes para la resección de metástasis solitarias o de metástasis mÚltiples (26 versus 28 meses). Veinte y uno de los 36 pacientes presentaron recurrencia de sus metástasis hepáticas. En 7 de ellos se pudo realizar de nuevo una resección curativa; estos 7 pacientes exhibieron una sobrevida significativamente mejor (p〈0.05) en comparación con los 14 pacientes residuales. Es nuestra conclusión que pacientes con metástasis hepáticas sincrónicas de cancer colorrectal pueden beneficiarse de la resección del tumor primario y de las metástasis hepáticas. Es obvio que el momento de la resección hepática—inmediata versus diferida—no influye sobre las tasas de sobrevida.
    Notes: Abstract Whereas resection for metachronous liver metastases from colorectal cancer is considered to be a potentially curative approach, little is known about the prognosis after resection of synchronous liver metastases. In the past, these patients usually underwent only palliative therapy. Therefore, we have analyzed the data of 36 patients who underwent curative hepatic resection of synchronous liver metastases from colorectal carcinomas from 1977 to 1987 at the Department of Surgery, Hannover Medical School. In 19 patients, liver resection was combined with colonic resection; in the other 17 patients, hepatic resection was performed after a median interval of 2 months following resection of the primary tumor. No operative mortality was observed in either of the approaches. The median survival time was 28 months for all patients with a median recurrence-free interval of 13.5 months. Overall 5-year survival probability for all patients was 20%. There were no significant differences observed between immediate or delayed liver resection (median survival 18 months versus 31 months). Survival rates were not different after resection of solitary versus multiple liver metastases (26 versus 28 months). Twenty-one of the 36 patients had a recurrence of their liver metastases. In 7 of them, curative liver resection could be performed again. These 7 patients had a significantly improved survival (p〈0.05) compared to the residual 14 patients. It is concluded that patients with synchronous liver metastases from colorectal cancer may profit from resection of the primary tumor and liver metastases. Timing of liver resection—immediate versus delayed—obviously has no impact on survival rates.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 46 (1990), S. 368-369 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Chromosoma 103 (1994), S. 324-330 
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Cytogenetic analysis of aberrant human Y chromosomes was done by fluorescence in situ hydbridization (FISH) with Y specific repetitive DNA probes. It revealed an interstitial deletion of different DNA blocks in two dicentric chromosome structures. One deletion includes the total alphoid DNA structure of one centromeric region. The second deletion includes the total repetitive DYZ5 DNA structure in the pericentromeric region of one short Y arm. Both dicentric Y chromosomes were iso(Yp) chromosomes with break and fusion point located in Yq11, the euchromatic part of the long Y arm. Their phenotypic appearance was “abnormal”, resembling small monocentric Yq-chromosomes in metaphase plates. Mosaic cell lines, usually included in karyotypes with dicentric Y chromosomes, were not observed. It is assumed that both deletion events suppress the kinetochore activity in one Y centromeric region and thus stabilize its dicentric structure. Local interstitial deletion events had not been described in dicentric human Y chromosomes, but are common in dicentric yeast chromosomes. This raises the question of whether deletion events in dicentric human chromosomes are rare or restricted to the Y chromosome or also represent a general possibility for stabilization of a dicentric chromosome structure in human.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Chromosoma 103 (1994), S. 324-330 
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. Cytogenetic analysis of aberrant human Y chromosomes was done by fluorescence in situ hybridization (FISH) with Y specific repetitive DNA probes. It revealed an interstitial deletion of different DNA blocks in two dicentric chromosome structures. One deletion includes the total alphoid DNA structure of one centromeric region. The second deletion includes the total repetitive DYZ5 DNA structure in the pericentromeric region of one short Y arm. Both dicentric Y chromosomes were iso(Yp) chromosomes with break and fusion point located in Yq11, the euchromatic part of the long Y arm. Their phenotypic appearance was “abnormal”, resembling small monocentric Yq- chromosomes in metaphase plates. Mosaic cell lines, usually included in karyotypes with dicentric Y chromosomes, were not observed. It is assumed that both deletion events suppress the kinetochore activity in one Y centromeric region and thus stabilize its dicentric structure. Local interstitial deletion events had not been described in dicentric human Y chromosomes, but are common in dicentric yeast chromosomes. This raises the question of whether deletion events in dicentric human chromosomes are rare or restricted to the Y chromosome or also represent a general possibility for stabilization of a dicentric chromosome structure in human.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary An experimental approach towards the molecular analysis of the male fertility function, located in interval 6 of the human Y chromosome, is presented. This approach is not based on the knowledge of any gene product but on the assumption that the functional DNA structure of male fertility genes, evolutionary conserved with their position on the Y chromosome, may contain an evolutionary conserved frame structure or at least conserved sequence elements. We tested this hypothesis by using dhMiF1, a fertility gene sequence of the Y chromosome of Drosophila hydei, as a screening probe on a pool of cloned human Y-DNA sequences. We were able to select 10 human Y-DNA sequences of which 7 could be mapped to Y interval 6 (the pY6H sequence family). Since the only fertility gene of the human Y chromosome is mapped to the same Y interval, our working hypothesis seems to be strongly supported. Most interesting in this respect is the isolation of the Y-specific repetitive pY6H65 sequence. The pY6H65 locus extends to a length of at least 300 kb in Y interval 6 and has a locus-specific repetitive sequence organization, reminiscent of the functional DNA structure of Y chromosomal fertility genes of Drosophila. We identified the simple sequence family (CA)n as one sequence element conserved between the Drosophila dhMiFi fertility gene sequence and the homologous human Y-DNA sequences.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Chromosomal analysis in a child with ambiguous sex showed mosaicism of at least two cell lines with one or more marker chromosomes or none at all. They were shown to be derived from the Y chromosome by fluorescent in situ hybridisation (FISH) using different DNA probes that cover parts of the long and the short arm.
    Type of Medium: Electronic Resource
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