1Botet JF, Lightdale C. Endoscopic ultrasonography of the gastrointestinal tract. Gastroenterol Clin North Am, 1995,24 : 385-412.
2Frascio F, Giacosa A. Role of endoscopy in staging colorectal cancer. Semin Surg Oncol,2001,20:82-85.
3Kwok H, Bissett IP, Hill GL. Preoperative staging of rectal cancer. Iht J Colorectal Dis, 2000,15 :9 - 20.
4Mallery S, Van Dam J. Advances in diagnostic and therapeutic endoscopy. Med Clin North Am,2000 ,84:1059-1083.
5Blomqvist L, Machada M, Rubio C, et al. Rectal tumor staging :MR imaging usingpelvic phased-array and endorectal coils vs endoscopic ultrasonography. Eur Radiol,2000,10 : 653-660.
6Gualdi GF, Casciani E, Guadalaxara A, et al. Local staging of rectal cancer with transrectal ultrasound and endorectal magnetic resonance imaging: comparison with histologic findings. Dis Colon Rectum, 2000,43 :338~345.
7Hunerbein M, Totkas S, Ghadimi BH, et al. Preoperative evaluation of colorectal neoplasm by colonoscopic miniprobe ultrasonography. Ann Surg,2000,231 :46-50.
8Akahoshi K, Kondoh A, Nagaie T,et al. Preoperative staging of rectal cancer using a 7.5 MHz front-loading US probe. Gastrointest Endosc, 2000,52 : 529-534.
9Yoshino J, Nakazawa S, Inui K, et al. Volume measurement using tissue characterization of three-dimensional endoscopic ultrasonographic images. Endoscopy, 2000,32:624-629.
10Miller L, Smith C, Canto MI. Endoscopic ultrasonography (EUS) and EUS-guided fine needle aspiration for accurate staging of rectal cancer: explanation of tumor staging and a case report. Gastroenterol Nurs,2000,23 :97~ 101.