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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of nuclear medicine 9 (1984), S. 62-67 
    ISSN: 1619-7089
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract By means of continuous lung imaging, regional mucociliary removal rates of inhaled 99mTc-labeled human serum albumin minimicrospheres were determined over upper, middle, lower, central, and peripheral anterior lung areas. Additionally, an index was employed for analysis of initial pulmonary radioaerosol distribution in order to quantify the site of particle deposition in various degrees of airways obstruction. The study involved 15 volunteer healthy subjects, 20 asymptomatic smokers with early small airways obstruction, and 30 patients with advanced chronic obstruction of large airways. The healthy group showed evenly distributed lung activity and (normal) clearance rates consistent with data from earlier work. While most uneven lung aerosol distribution was seen in the patients with large airways obstruction, slowest mucociliary clearance velocity was encountered in the smokers with small airways dysfunction. The aerosol technique, if carefully controlled, can be a useful supplement to pulmonary ventilatory function testing, showing reduction of bronchial mucous velocity to be one of the earliest signs of functional impairment in asymptomatic cigarette smokers.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1437-2320
    Keywords: Cerebral tumour ; contrast media ; Gadolinium-DTPA ; magnetic resonance tomography (MRT) ; oedema
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The present study provides an introduction to the clinical diagnosis of intracranial lesions by means of magnetic resonance tomography (MRT). The demonstration of different tissue qualities (bone and bone marrow, cerebral cortex and medulla, ventricular system (CSF), blood, tumour and perifocal oedema) in the MR tomogram is explained. The principles of specific MRT contrast media and their clinical application in brain tumours are discussed in detail.
    Type of Medium: Electronic Resource
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