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  • 1
    Electronic Resource
    Electronic Resource
    Specific IgE to food and inhalant allergens in intestinal washings of children affected by atopic eczema (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 15 (1985), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Serum and rectal total and specific IgE were measured in eleven children with atopic dermatitis and eight with atopic dermatitis and associated wheezing. Specific IgE to food and inhalant allergens in rectal washings were found in fourteen patients. Of the seventy-six allergens which gave positive results, twenty were positive in both serum and intestine, thirty in serum alone and twenty-six in intestines alone. Specific intestinal IgE were confirmed by food challenge in three out of four patients whose skin-prick test and serum RAST were both negative. Local production of these antibodies was demonstrated by the ‘double ratio’ of Dcuschl and Johansson [1], and the ‘specific activity ratio’ of Platts-Mills [2]. Positive ratios (〉 1) were obtained with both formulas for twelve of fourteen allergens tested. These data suggest that gut-associated lymphoid tissue may play a role in the pathogenesis of atopic disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1985.tb03002.x
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  • 2
    Electronic Resource
    Electronic Resource
    Ultrasound-guided percutaneous laser ablation of liver tissue in a rabbit model (1993)
    Springer
    European radiology 3 (1993), S. 26-32 
    Details
    ISSN: 1432-1084
    Keywords: Liver, interventional procedures ; Lasers ; Liver, US studies ; Liver neoplasms, therapy ; Hyperthermia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The present report evaluates the efficacy and safety of percutaneous interstitial laser tissue ablation of the liver in nine New Zealand rabbits. A Nd: YAG laser was coupled to a quartz fibreoptic guide (600 μm) with a flat tip. The fibre and a thermocouple were placed in the lumen of two Chiba needles (18G) and these were inserted into the liver 10 mm apart under ultrasound guidance. The laser was fired for 5 min at 1, 3 and 5 W power, respectively, in three groups of rabbits. There were no acute complications and all the rabbits except one survived until the established time of sacrifice. The procedure induced a cavity surrounded by a zone (about 10 mm) of coagulative necrosis. After 2 weeks a strong peripheral inflammatory response was evident and after 4 weeks a capsule of connective tissue enclosed the lesions. Our study seems to offer a safe and rapid technique producing a “guaranteed kill radius” for the treatment of small hepatic neoplasms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00173518
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  • 3
    Electronic Resource
    Electronic Resource
    Evaluation of the vascular pattern of hepatocellular carcinoma with dynamic computed tomography and its use in identifying optimal temporal windows for helical computed tomography (1998)
    Springer
    European radiology 8 (1998), S. 30-35 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Liver neoplasm ; Dynamic CT ; Helical CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The aim of this work was to study the vascularization of hepatocellular carcinoma (HCC) by means of dynamic CT and to demonstrate the existence of optimal temporal windows for visualization of HCC in order to develop new protocols for helical CT of the liver. We studied, by means of dynamic CT, 42 histologically proved HCCs in 30 patients after injecting contrast medium (100 ml, 3 ml/s). We performed a time–density analysis of the aorta, liver, portal vein, spleen and lesion. We identified three temporal curves of attenuation of the neoplastic tissue. Curve 1 was three-phasic: hyperattenuation, isoattenuation and hypoattenuation; curve 2 was two-phasic: hyperattenuation and isoattenuation; curve 3 was two-phasic: isoattenuation and hypoattenuation. Thirty-two lesions were homogeneous (curve 1 in 22 cases, 68.7 %; curve 2 in 7 cases, 21.8 %; curve 3 in 3 cases, 9.4 %), whereas 10 lesions were non-homogeneous. Two optimal temporal windows were identified: the first, with predominantly hyperattenuating lesions (range 29–65 s, 90.4 % sensitivity); the second, with predominantly hypoattenuating lesions (range 132.1–360 s, 76.1 %). There is an interposed time range of reduced visualization (range 62–127 s, 54.7 %) in which lesions are isoattenuating. Combined CT study during the first and second temporal windows improves the detection of HCCs especially for homogeneous and small lesions. The intermediate isoattenuation time range does not increase lesion detection rate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050332
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  • 4
    Electronic Resource
    Electronic Resource
    Assessment of the effect of percutaneous ethanol injection in autonomously functioning thyroid nodules by colour-coded duplex sonography (1995)
    Springer
    European radiology 5 (1995), S. 395-400 
    Details
    ISSN: 1432-1084
    Keywords: Hyperthyroidism ; Thyroidnodule ; Alcohol-ethyl ; Doppler sonography ; Ultrasonography ; Ultrasonography interventional
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Percutaneous ethanol injection (PEI) is an effective treatment for autonomously functioning thyroid nodules (AFTNs). The aims of this study were to assess: (1) the ultrasound (US) and colour-coded duplex sonography (CCDS) baseline and post-therapy patterns of AFTN, and (2) the contribution of CCDS in determining the efficacy and optimum duration of PEI. Forty AFTNs were evaluated by US and CCDS before, during and 6 and 12 months after PEI. Four grades of increasing vascularity were arbitrarily identified at CCDS (0-1-2-3). These data were compared with thyroid scintiscan and hormonal findings. All nodules showed a striking volume decrease. After treatment a hypoechoic pattern and blurred outlines on US were associated with a higher percentage volume reduction. Soon after PEI a reduction in the vascularity score was noticed in 29 of 40 of AFTNs. Pre- and post-treatment vascular score distributions were significantly different. It is concluded that a vascular score decrease to grade 0–1 at the end of PEI is an index of successful treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00184951
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    Paper (German National Licenses)
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