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[Detection of recurrent rectal cancer using helical CT with SmartPrep: a new technique for obtaining optimal contrast enhancement].

Authors
  • Tanaka, J
  • Tsukuda, S
  • Amanuma, M
  • Nishi, N
  • Negishi, C
  • Kozawa, E
  • Yuasa, M
  • Heshiki, A
Type
Published Article
Journal
Nihon Igaku Hōshasen Gakkai zasshi. Nippon acta radiologica
Publication Date
Mar 01, 1998
Volume
58
Issue
4
Pages
160–162
Identifiers
PMID: 9584461
Source
Medline
License
Unknown

Abstract

Seven patients with suspected recurrent rectal cancer underwent Helical CT using SmartPrep. SmartPrep is a software application developed by GE in which the ROI is placed at the desired level of the aorta prior to contrast injection. Using a low-dose continuous scan, the time density curve was obtained instantly, and the optimal timing of scanning was judged from the curve. Four patients who demonstrated intense enhancement at the anastomotic site had local recurrence. No intense enhancement was observed in these areas on conventional delayed CT. Thus, SmartPrep appears to be useful for the accurate diagnosis of recurrent rectal cancer.

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