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  • 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
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Mycopathologia 131 (1995), S. 67-70 
    ISSN: 1573-0832
    Keywords: Exophiala spinifera ; Mitochondrial DNA ; Restriction fragment length polymorphism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Restriction fragment length polymorphism (RFLP) of mitochondrial DNA (mtDNA) was examined in 36 isolates ofExophiala spinifera (8 isolates from Brazil, 9 from China, 15 from Columbia, 1 from the United States and 2 from Venezuela).E. spinifera isolates displayed a high degree of mtDNA diversity in RFLP patterns and were clustered into six genetically heterogeneous groups (Group 1 through Group 6). Isolates of Group 2 including the type strain seemed to have a worldwide distribution. RFLP patterns ofE. spinifera were also distinct from those of other dematiaceous fungi, such asE. jeanselmei, E. moniliae, E. dermatitidis, Fonsecaea pedrosoi, Cladosporium carrionii andPhialophora verrucosa. These results indicate thatE. spinifera may be a taxonomic complex and that RFLP patterns will be useful in the identification, typing and epidemiology of theE. spinifera variants.
    Type of Medium: Electronic Resource
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