Acute appendicitis: diagnostic value of nonenhanced CT with selective use of contrast in routine clinical settings (Articolo in rivista)

Type
Label
  • Acute appendicitis: diagnostic value of nonenhanced CT with selective use of contrast in routine clinical settings (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Tamburrini S, Brunetti A, Brown M, Sirlin C, Casola G. (2007)
    Acute appendicitis: diagnostic value of nonenhanced CT with selective use of contrast in routine clinical settings
    in European radiology
    (literal)
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  • Tamburrini S, Brunetti A, Brown M, Sirlin C, Casola G. (literal)
Pagina inizio
  • 2055 (literal)
Pagina fine
  • 2061 (literal)
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  • 17 (literal)
Rivista
Note
  • PubMe (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • S. Tamburrini . A. Brunetti Dip. Sc. Biomorfologiche e Funzionali, Universita' di Napoli \"Federico II\", IBB-CNR, Via Pansini 5, 80131 Naples, Italy S. Tamburrini . M. Brown . C. Sirlin . G. Casola Department of Radiology, UCSD Medical Center, San Diego, CA, United States (literal)
Titolo
  • Acute appendicitis: diagnostic value of nonenhanced CT with selective use of contrast in routine clinical settings (literal)
Abstract
  • Abstract The purposes of this study were to determine the (1) frequency with which nonenhanced computed tomography (CT) (NECT) permits conclusive diagnosis of acute appen- dicitis, (2) accuracy of NECT when findings are conclusive, and (3) over- all accuracy of a CT protocol consist- ing of NECT with selective use of contrast. Five hundred and thirty-six patients underwent a NECT protocol with selective use of contrast. Diag- nostic accuracy was then determined separately for (1) patients with con- clusive initial NECT, (2) patients with inconclusive initial NECT, and (3) all patients. NECT was conclusive on initial interpretation in 404/536 pa- tients and inconclusive in 132/536. Of 132 inconclusive studies, 126 wererepeated with contrast (intravenous, oral or rectal). Sensitivity, specificity, and positive and negative predictive value for diagnosis of acute appendi- citis were (1) 90%, 96.0%, 84.8%, and 97.4% in patients with conclusive NECT (n = 404); (2) 95.6%, 92.3%, 73%, and 99% in patients with inconclusive NECT followed by re- peat CT with contrast; and (3) 91.3%, 95%, 82%, and 98% in all patients. The initial diagnosis of appendicitis may be made by NECT in 75% of patients, with contrast administration reserved for inconclusive NECT studies. (literal)
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