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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Histopathology 30 (1997), S. 0 
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Multifocal alveolar hyperplasia associated with pulmonary lymphangioleiomyomatosis is reported in a 21-year-old woman with tuberous sclerosis. Beside the cystic lesions of lymphangioleiomyomatosis, the tomography showed nodules up to 8 mm in both upper lobes. A proliferation of type II pneumonocytes and Clara cells lining the alveolar walls in an adenoma-like pattern was observed. Nuclear atypia, mitoses and necrosis were not observed, providing evidence against multicentric bronchioloalveolar carcinoma or micronodular atypical alveolar adenomatous hyperplasia. Whereas the lymphangioleiomyomatosis lesions showed strong positivity for HMB45 and expressed oestrogen and progesterone receptors, the alveolar hyperplasia was negative for these markers as it was for carcinoembryonic antigen, p53 and MIB1 antibodies. Multifocal alveolar hyperplasia in tuberous sclerosis is probably a benign hamartomatous lesion in our case without progression on a 2-year follow-up. Its histogenesis is unknown, but is possibly related to chromosome instability.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Alimentary pharmacology & therapeutics 4 (1990), S. 0 
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Motor changes could be involved in the pathogenesis of diarrhoea that complicates the treatment of ulcer disease by prostaglandins. Our aim was to assess the effect of enprostil, a synthetic analogue of PGE2, on duodeno-jejunal motility. During this randomized double-blind crossover study, two manometric recordings, each lasting 20 h (12.00-08.00 hours), were carried out during dosing with 35 μg enprostil b.d. or placebo (eight volunteers: part 1), or during dosing with 35 or 70 μg enprostil b.d. (nine volunteers: part 2). Subjects were only allowed a standard dinner at 18.00 hours.During fasting, in part 1, the number of phase 3 activity patterns (PIIIs) was higher with enprostil than with placebo (P 〈 0.01), without any difference in their characteristics; the overall duration of phase 1 activity was longer with enprostil than with placebo (P 〈 0.01). In part 2, during fasting the number and characteristics of the PIIIs were not different, but there was a dose-related increase in PI, and decrease in PII activity. Fed motor patterns did not differ between the two doses of enprostil.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Micron And Microscopica Acta 22 (1991), S. 271-272 
    ISSN: 0739-6260
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Electrical Engineering, Measurement and Control Technology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1238
    Keywords: Peptic ulcer ; Gastrointestinal haemorrhage ; Endoscopic treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Endoscopic adrenaline-hypertonic injection was attempted in 40 patients admitted for oesophagogastroduodenal ulcer haemorrhage unresponsive to conventional medical treatment and presenting with severe underlying disease or advanced age (〈80 years). The results were compared with our own historical controls (43 patients) treated by conventional therapy, meeting the same inclusion criteria. Permanent haemostasis was achieved in 32 patients in the injection group and 30 in the control group (NS) but emergency surgery was less frequent in the injection group (2 vs 25,p〈0.001). Blood transfusion requirements were less in the injection group (8.5±6.2 vs 10.2±5.4,p〈0.05) but length of hospital stay was not really different (15.7 days±9.3 vs 20.9±14.4). Unfortunately, mortality was not reduced in the injection group (14/40 vs 17/43). Two lethal complications attributable to injection treatment occurred. This treatment could represent an alternative to conventional haemostatic treatment in high surgical risk patients with severe clinical bleeding, avoiding emergency surgery. In spite of the fact that we selected high-risk patients, endoscopic treatment was not able to lower the mortality (about 37%). Due to severe unpredictable side effects and potential risks of long-term massive rebleeding, this treatment should be performed electively in patients with severe clinical bleeding, as first line treatment when surgical risk factors exist or immediately before surgery in low risk patients.
    Type of Medium: Electronic Resource
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