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  • 1
    Electronic Resource
    Electronic Resource
    Usefulness of follicular dendritic cell pattern in classification of peripheral T-cell lymphomas (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 23 (1993), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Classification of peripheral T-cell lymphomas based on morphological criteria can present problems due to overlap in histological features amongst the subtypes. An immunohistochemical study was designed to study the follicular dendritic cell patterns in 21 cases of peripheral T-cell lymphoma which had been classified using the updated Kiel classification. Three patterns of distribution were observed: 1 follicular dendritic cells not detected (3 cases); 2 follicular dendritic cells restricted to remnant follicle centres (7); 3 follicular dendritic cells present as an expanded network of cells exceeding the confines of germinal centres (11). Ten out of 11 angioimmunoblastic lymphomas showed an expanded network of follicular dendritic cells. The only negative case showed features which, on review, were in keeping with a pleomorphic, medium and large cell lymphoma showing an unusual proliferation of small venules. Other than angioimmunoblastic lymphomas, only one other case showed follicular dendritic cell hyperplasia. This was an unclassified peripheral T-cell lymphoma. We conclude that follicular dendritic cell hyperplasia may be used an an aid to diagnosis of the angioimmunoblastic type of peripheral T-cell lymphoma, and we recommend the routine staining of these cells in typing of T-cell lymphomas to facilitate comparison between centres.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.1993.tb00491.x
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  • 2
    Electronic Resource
    Electronic Resource
    Four flavonoids in the roots of Euchresta Formosana
    Amsterdam : Elsevier
    Phytochemistry 30 (1991), S. 3095-3097 
    Details
    ISSN: 0031-9422
    Keywords: Euchresta formosana ; Leguminosae ; coumaronochromone ; euchrenone a"1"2. ; euchrenone all ; euchretin D ; euchretin E ; flavanone ; roots
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/S0031-9422(00)98260-8
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    3-Prenylindoles from Murraya paniculata and their biogenetic significance
    Amsterdam : Elsevier
    Phytochemistry 28 (1989), S. 147-151 
    Details
    ISSN: 0031-9422
    Keywords: 1-methoxyindole ; 3-prenylindole ; Murraya paniculata ; Rutaceae ; biogenesis. ; chemotaxonomy ; coumarin
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(89)85027-7
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  • 4
    Electronic Resource
    Electronic Resource
    Anti-oral microbial activity of isoflavonoids in root bark of Ormosia monosperma
    Amsterdam : Elsevier
    Phytochemistry 37 (1994), S. 889-891 
    Details
    ISSN: 0031-9422
    Keywords: Leguminosae ; Ormosia monosperma ; anti-oral microbial activity. ; dalbergiodin-4'-O-glucoside ; isoflavanone ; isoflavone ; ormosidin ; root bark
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/S0031-9422(00)90378-9
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  • 5
    Electronic Resource
    Electronic Resource
    Pathogenesis of gastric lymphoma: The enigma in Hong Kong (1997)
    Springer
    Annals of oncology 8 (1997), S. 41-44 
    Details
    ISSN: 1569-8041
    Keywords: Epstein–Barr virus ; gastric lymphoma ; Helicobacter pylori ; mucosa-associated lymphoid tissue
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Helicobacter pylori (H. pylori) infection has been postulated to be a pathogenetic factor in gastric lymphoma. However, the etiological factors for gastric lymphoma could vary in different populations. Materials and methods: We looked for histological evidence of H. pylori infection in 53 gastrectomy specimens from Hong Kong Chinese patients with primary gastric B-lymphoma. We also screened for Epstein–Barr virus(EBV) in these cases using in situ hybridization with oligonucleotide probes for EBV-encoded small RNA1 and 2. Results: H. pylori was found in 29/53 (55%), including 8/13(62%) cases of low-grade lymphoma of mucosa-associated lymphoid tissue (MALT) type. These infection rates in gastric lymphoma are lower than those reported in Western populations (80%–100%) and comparable to that found in healthy Chinese blood donors (55%) or in non-ulcer dyspeptic patients (52%–57%). EBV was found in tumor cells only in one case of high-grade gastric lymphoma with low-grade MALT component which was H. pylori-negative, and in occasional nontumor lymphoid cells in 7 other cases. Conclusions: These results suggest that (1) the role of H. pylori in pathogenesis of gastric lymphoma may vary in different populations;(2) very few gastric lymphomas are associated with EBV; (3) not all low-grade gastric MALT lymphomas are H. pylori-dependent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008265829249
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Pathogenesis of gastric lymphoma: The enigma in Hong Kong (1997)
    Springer
    Annals of oncology 8 (1997), S. 41-44 
    Details
    ISSN: 1569-8041
    Keywords: Epstein–Barr virus ; gastric lymphoma ; Helicobacter pylori ; mucosa-associated lymphoid tissue
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Helicobacter pylori (H. pylori) infection has been postulatedto be a pathogenetic factor in gastric lymphoma. However, the etiologicalfactors for gastric lymphoma could vary in different populations. Materials and methods: We looked for histological evidence of H. pyloriinfection in 53 gastrectomy specimens from Hong Kong Chinese patients withprimary gastric B-lymphoma. We also screened for Epstein–Barr virus(EBV) in these cases using in situ hybridization with oligonucleotide probesfor EBV-encoded small RNA1 and 2. Results: H. pylori was found in 29/53 (55%), including 8/13(62%) cases of low-grade lymphoma of mucosa-associated lymphoidtissue (MALT) type. These infection rates in gastric lymphoma are lower thanthose reported in Western populations (80%–100%) andcomparable to that found in healthy Chinese blood donors (55%) or innon-ulcer dyspeptic patients (52%–57%). EBV was found intumor cells only in one case of high-grade gastric lymphoma with low-gradeMALT component which was H. pylori-negative, and in occasional nontumorlymphoid cells in 7 other cases. Conclusions: These results suggest that (1) the role of H.pylori in pathogenesis of gastric lymphoma may vary in different populations;(2) very few gastric lymphomas are associated with EBV; (3) not all low-gradegastric MALT lymphomas are H. pylori-dependent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008265829249
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    Paper (German National Licenses)
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