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  • 2000-2004  (1)
  • 1995-1999
  • 1990-1994  (1)
  • 1970-1974
  • Airway reversibility  (1)
  • CT  (1)
  • Emphysema  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 10 (2000), S. 1268-1276 
    ISSN: 1432-1084
    Keywords: Key words: Rectum ; Stenosis or obstruction ; CT ; MR imaging ; Barium enema examination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Rectal stenosis is a common condition caused by a wide variety of diseases, including both intrinsic and extrinsic disorders, as well as both malignant and benign pathologies. Barium enema, CT, and MRI are the primary modalities for the evaluation of the disease, and careful observation of the characteristic radiologic features usually leads to correct diagnosis. However, some of the lesions looks very similar and are difficult to differentiate from each other. The purpose of this study is to review the literature on diseases that cause rectal stenosis, to clarify the characteristics of radiologic features, and to suggest the limitations in differential diagnosis. Deliberate analysis of these imaging features and correlation with clinical manifestations can facilitate a more specific diagnosis.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    ISSN: 1432-1750
    Keywords: Selective alveolobronchography ; Chronic airflow obstruction ; Emphysema ; Airway reversibility
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To investigate the relationship between the emphysematous changes and bronchodilator responses in patients with chronic airflow obstruction (CAO), we studied the correlation between bronchodilator response to 10 mg inhaled metaproterenol and the extent of emphysema, using selective alveolobronchogram (SAB). Fifty-one patients with CAO were classified into 3 groups by the extent of emphysematous changes detected by SAB. In group 1, no or mild emphysematous change was observed on SAB (n = 9); in group 2, there were significant emphysematous changes but the involved area was less than 75% (n = 17); in group 3, emphysematous change was extensive and covered more than 75% (n = 25). The post-bronchodilator forced expiratory volume in 1 sec (FEV1) of patients in group 3 was significantly lower than in groups 1 and 2. The mean value of changes of FEV1 as a percentage of predicted FEV1 of patients in group 3 was significantly lower than in groups 1 and 2. These results indicated that the extent of emphysematous change correlated positively with the severity of fixed air-flow obstruction, and negatively with the bronchodilator response.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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