References
- 1. Sultan AH, Kamm MA, Talbot IC, Nicholls RJ, Bartram CI. Anal endosonography for identifying external sphincter defects confirmed histologically. Br J Surg. 1994; 81:463-5.10.1002/bjs.1800810349
- 2. Christensen AF, Nyhuus B, Nielsen MB, Christensen H. Three-dimensional anal endosonography may improve diagnostic confidence of detecting damage to the anal sphincter complex. Br J Radiol. 2005; 78:308-11.10.1259/bjr/72038963
- 3. Abdool Z, Sultan AH, Thakar R. Ultrasound imaging of the anal sphincter complex: a review. Br J Radiol. 2012; 85:865-75.10.1259/bjr/27314678
- 4. Diamant NE, Kamm MA, Wald A, Whitehead WE. AGA technical review on anorectal testing techniques. Gastroenterology. 1999; 116:735-60.10.1016/S0016-5085(99)70195-2
- 5. Dobben AC, Terra MP, Slors JF, Deutekom M, Gerhards MF, Beets-Tan RG, et al. External anal sphincter defects in patients with fecal incontinence: comparison of endoanal MR Imaging and Endoanal US. Radiology. 2007; 242:463-71.
- 6. Saranovic D, Barisic G, Krivokapic Z, Masulovic D, Djuric-Stefanovic A. Endoanal ultrasound evaluation of anorectal diseases and disorders: technique, indications, results and limitations. Eur J Radiol. 2007; 61:480-9.10.1016/j.ejrad.2006.07.033
- 7. Knowles AM, Knowles CH, Scott SM, Lunniss PJ. Effects of age and gender on three-dimensional endoanal ultrasonography measurements: development of normal ranges. Tech Coloproctol. 2008; 12:323-9.10.1007/s10151-008-0443-5
- 8. Olsen IP, Augensen K, Wilsgaard T, Kiserud T. Three-dimensional endoanal ultrasound assessment of the anal sphincters during rest and squeeze. Acta Obstet Gynecol Scand. 2008; 87:669-74.10.1080/00016340802088346
- 9. William AB, Cheetham MJ, Bartram CI, Halligan S, Kamm MA, Nicholls RJ, et al. Gender differences in the longitudinal pressure profile of the anal canal related to anatomical structure as demonstrated on three-dimensional anal endosonography. Br J Surg. 2000; 87:1674-9.10.1046/j.1365-2168.2000.01581.x
- 10. Regadas FS, Murad-Regadas SM, Lima DM, Silva FR, Barreto RG, Souza MH, et al. Anal canal anatomy showed by three-dimensional anorectal ultrasonography. Surg Endosc. 2007; 21:2207-11.10.1007/s00464-007-9339-0
- 11. Burnette SJ, Bartram CI. Endosonographic variations in the normal internal anal sphincter. Int J Colorect Dis. 1991; 6:2-4.
- 12. Papachrysostomou M, Pye SD, Wild SR, Smith AN. Anal endosonography in asymptomatic subjects. Scand J Gastroenterol. 1993; 28:551-6.10.3109/00365529309098265
- 13. Gregory WT, Boyles SH, Simmons K, Corcoran A, Clark AL. External anal sphincter volume measurements using 3-dimensional endoanal ultrasound. Am J Obstet Gynecol. 2006; 194:1243-8.
- 14. Felt-Bersma RJ, Cazemier M. Endosonography in anorectal disease: an overview. Scand J Gastroenterol. 2006; 41(suppl 243):165-74.
- 15. Rottenberg GT, William AB. Endoanal ultrasound. Br J Radiol. 2002; 75:482-8.10.1259/bjr.75.893.750482
- 16. Schaffzin DM, Wong WD. Surgeon-performed ultrasound: endorectal ultrasound. Surg Clin N Am. 2004; 84:1127-49.10.1016/j.suc.2004.04.005