Dynamic CT of Hepatic Abscesses

Authors:
  • MKMasumi Kadoya
    Masumi Kadoya
  • OMOsamu Matsui
    Osamu Matsui
  • TKTakeshi Kobayashi
    Takeshi Kobayashi
  • YKYasuhiro Kawamori
    Yasuhiro Kawamori
  • JSJunichiro Sanada
    Junichiro Sanada
  • NTNoboru Terayama
    Noboru Terayama
  • SKSatoshi Kobayashi
    Satoshi Kobayashi
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Abstract
OBJECTIVE. The purpose of this study was to evaluate dynamic CT findings of hepatic abscesses, especially segmental hepatic enhancement, and to clarify the cause.MATERIALS AND METHODS. Twenty-four abscesses in eight patients were examined by early (30 sec) and late phase (90 sec) dynamic CT. Patients underwent abscess drainage (n = 1), hepatic resection (n = 2), or antibiotic therapy (n = 5). CT during arterial portography and CT during hepatic arteriography were performed in one patient. We retrospectively observed the frequency and changes of segmental hepatic enhancement on dynamic CT and determined its cause using radiologic and pathologic correlation.RESULTS. Sixteen abscesses (67%) showed transient segmental hepatic enhancement and three abscesses showed only segmental hepatic enhancement in the early phase. Four abscesses in one patient who underwent CT during arterial portography and CT during hepatic arteriography showed a segmental perfusion defect on CT during arterial portography and segmental...

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