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  • 1
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 53 (1975), S. 936-937 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 55 (1977), S. 137-140 
    ISSN: 1432-1440
    Keywords: Psoralen ; UVA ; Lymphocyt ; Photochemotherapie ; Psoriasis ; Psoralen ; UVA ; Lymphocyte ; Photochemotherapy ; Psoriasis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The effect of psoralen plus long wavelength ultraviolet light (UVA) on3H-thymidine uptake of PHA stimulated human lymphocytes was investigated. PHA induced lymphocyte transformation was inhibited by the combined action of psoralen and UVA irradiation in a dose related manner. Inhibition of DNA-synthesis occurred at concentrations of psoralen that can be expected in the serum of patients treated by systemic photochemotherapy. No effect was noted at these psoralen concentrations in the absence of UVA irradiation. Also did UVA irradiation in the absence of psoralen not inhibit3H-thymidine incorporation into PHA stimulated lymphocytes.
    Notes: Zusammenfassung Es wurde die Wirkung von Psoralen zusammen mit langwelligem ultraviolettem Licht (UVA) auf den3H-Thymidin-Einbau PHA-stimulierter humaner Lymphocyten untersucht. Die PHA-induzierte Lymphocytentransformation wurde durch Psoralen plus UVA gehemmt, abhängig sowohl von der Psoralenkonzentration als auch der Einwirkdauer der UVA-Bestrahlung. Die Hemmung der DNA-Synthese in den stimulierten Lymphocyten erfolgte bei Psoralenkonzentrationen wie sie auch im Serum von Patienten erwartet werden können, die sich einer systemischen Photochemotherapie unterziehen. Ohne UVA-Bestrahlung war bei diesen Psoralenkonzentrationen kein Effekt auf die DNA-Synthese nachweisbar. Ebenso erwies sich alleinige UVA-Bestrahlung ohne Psoralenzusatz als wirkungslos auf das Wachstum PHA-stimulierter Lymphocytenkulturen.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 95 (1976), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 98 (1978), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A new apparatus consisting of a Zoo W super pressure mercury lamp and a flexible light guide with a liquid light-conducting core is presented.Its transmission for UVA irradiation is more than threefold as compared to conventional quartz fibre optic bundles. The light guide is capable of transmitting density levels exceeding I W/cm2. UVA and UVB are transmitted. By inserting a filter platelet (WG 345) into the light guide the UVB is cut off. The output of the unfiltered guide is 700 mW (3570 mW/cm2), of the filtered guide 400 mW (2040 mW/cm2), centered mainly at 366 nm.The light apparatus proved useful for several dermatological applications. It replaces in many respects conventional Kromayer lamps, especially because the flexible light guide, which is 160 cm long and weighs only 210 g, can be brought into direct contact with the skin. Results of determining the minimal erythema dose (MED), of phototesting (8-MOP photoallergy, persistent light reactor, erythropoietic protoporphyria) and of photochemotherapy are given.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 99 (1978), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In 4 cases of allergic vasculitis circulating immune complexes (IC) were demonstrated. Spontaneous and histamine induced vascular changes were studied by immunofluorescence microscopy. The early events in IC vasculitis were investigated at the ultrastructural level by immunoelectronmicroscopy using the peroxidase-antiperoxidase multistep technique.Our findings support the concept that human IC vasculitis is triggered by the deposition of circulating IC in the walls of postcapillary venules between endothelial cells, pericytes and the layers of the basal lamina. Tissue destruction is only secondary due to local complement activation and the release of lysosomal enzymes from chemotactically attracted leukocytes.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 100 (1979), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 342 (1976), S. 628-629 
    ISSN: 1435-2451
    Keywords: Malignant melanoma ; Melanoma classification ; Melanoma immunochemotherapy ; Malignes Melanom ; Melanom-Klassifikation ; Melanom-Immunochemotherapie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Maligne Melanome der Haut sind prognostisch unterschiedlich zu beurteilende, histogenetisch und diagnostisch heterogene bösartige Tumoren, die ihren Ausgang von pigmentbildenden Zellen nehmen. Deshalb richtet sich auch das therapeutische Vorgehen nach einer sorgfältig differenzierenden Diagnostik. (1) Klinische Stadien: I = Primärtumor (PT);II = PT mit regionalem Lymphknotenbefall; III = Fernmetastasen. (2) Klinische und histologische Abtrennung von Lentigo-maligna-Melanom (LM), superfiziell spreitendem Melanom (SSM) und primär knotigem Melanom (NM). (3) Histologische Angabe der Invasionstiefe: Intraepidermal, oberhalb der Basalmembran (Niveau I); Durchbruch der Basalmembran ins Str. papillare (Niveau II); Str. papillare bis zur Grenzzone zum Str. reticulare (Niveau III); gesamtes Str. reticulare (Niveau IV); Subkutis (Niveau V). Therapeutisches Vorgehen: Bei diagnostischen Zweifeln Excisionsbiopsie in Vollnarkose mit einem Sicherheitsabstand von 2 cm, Schnellschnittdiagnose. Ansonsten Entfernung des Tumors mit einem 5 cm-Sicherheitsabstand, gemessen von der Tumorperipherie und tiefenwärts bis zur Muskelfascie, anschließend sofortige Deckung mit einem Transplantat von kontralateralen Körperpartien. Im Gesicht, an Händen und Füßen modifiziertes Vorgehen. Bei klinischem Stadium III zusätzlich Immunochemotherapie mit DTIC und BCG, bei rein cutanen Metastasen auch alleinige äußerliche Immunotherapie mit DNCB oder BCG.
    Notes: Summary Malignant cutaneous melanomas are prognostically variable, histogenetically and diagnostically heterogeneous malignant tumors that stem from pigment-producing cells. Therefore, the therapeutic approach depends on exact differentiation at diagnosis, as to (1) clinical stages: I = primary lesion; II = metastases limited to the regional lymph nodes; III = distant metastases, (2) clinical and histological characteristics, which are different for lentigo malignant melanoma (LM), superficial spreading melanoma (SSM), and primary nodular melanoma (NM), (3) histologic depth of tumor-cell invasion: intradermal with intact basement membrane (level I); through basement membrane down to the papillary dermis (level II); papillary dermis down to the reticular dermis (level III); throughout the reticular dermis (level IV); subcutaneous fat (level V). Therapeutic measures: if the diagnosis is doubtful excision biopsy should be performed under a general anesthetic with a margin of 2 cm (1 cm on the face), and immediate diagnosis should be made from frozen sections. Otherwise all tumor material should be removed down to the fascia, with a margin of 5 cm, and this should be followed immediately by plastic surgery to cover the defect with material from contralateral areas. In clinical stage III, immunochemotherapy with DTIC and BCG is indicated, or if only cutaneous metastases are present, external immunotherapy with DNCB or BCG.
    Type of Medium: Electronic Resource
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