title: [Value of dual contrast-enhanced ultrasound in the preoperative T staging of rectal carcinoma].
abstract: Objective:To explore the value of dual contrast-enhanced ultrasound in preoperative T staging of rectal carcinoma.Methods:Dual contrast-enhanced ultrasound examinations were performed on 72 patients with rectal carcinoma via transrectal infusion and intravenous injection. The accordance of preoperative dual contrast-enhanced ultrasound results and postoperative pathologic results was evaluated retrospectively.Results:The overall accordance rate of preoperative T staging was 73.6% (53/72). And accordance rate was 100.0% (3/3), 100.0% (5/5), 68.4% (13/19), 71.4% (25/35)and 70.0% (7/10) for Tis , T1, T2, T3 and T4, respectively. The consistency was good (κ=0.607, χ(2) =8.363,P<0.01). The accordance rate of middle/lower vs high rectal carcinoma was 68.7% and 85.7%.Conclusion:Dual contrast-enhanced ultrasound can provide reference for preoperative T staging for patients with rectal carcinoma.
authors.affiliation: Department of Ultrasound , Fujian Provincial Cancer Hospital, Fujian Medical University Cancer Hospital, Fuzhou 350014, China.
authors.forename: X H
authors.initials: XH
authors.lastname: Deng
authors.forename: L N
authors.initials: LN
authors.lastname: Tang
authors.forename: Y H
authors.initials: YH
authors.lastname: Shen
authors.forename: W Q
authors.initials: WQ
authors.lastname: Huang
authors.forename: Y J
authors.initials: YJ
authors.lastname: Chen
mesh_terms: D003287:Contrast Media; D006801:Humans; D009367:Neoplasm Staging; D012004:Rectal Neoplasms; D012189:Retrospective Studies
chemical_list: D003287:Contrast Media
keywords: Neoplasm staging; Rectal neoplasms; Ultrasonography