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Review

Endoanal ultrasound in benign anorectal disorders: clinical relevance and possibilities

Pages 587-606 | Published online: 10 Jan 2014

References

  • Rifkin D. Endosonography of the prostate: clinical impactions. AJR148, 1137–1142 (1987).
  • Hildebrandt U, Feifel G, Ecker KW. Rectal endosonography. Baillieres Clin. Gastroenterol.3, 531–541 (1989).
  • Law PJ, Kamm MA, Bartram CI. A comparison between electromyography and anal endosonography in mapping external anal sphincter defects. Dis. Colon Rectum33, 370–373 (1990).
  • Law PJ, Talbot RW, Bartram CI, Northover J. Anal endosonography in the evaluation of perianal sepsis and fistula in ano. Br. J. Surg.76, 752–755 (1989).
  • Gold DM, Bartram CI, Halligan S, Humphries KN, Kamm MA, Kmiot WA. Three-dimensional endoanal sonography in assessing anal canal injury. Br. J. Surg.86, 365–370 (1999).
  • Regadas FS, Murad-Regadas SM, Lima DM et al. Anal canal anatomy showed by three-dimensional anorectal ultrasonography. Surg. Endosc.21(12), 2207–2211 (2007).
  • West RL, Felt-Bersma RJ, Hansen BE, Schouten WR, Kuipers EJ. Volume measurements of the anal sphincter complex in healthy controls and fecal-incontinent patients with a three-dimensional reconstruction of endoanal ultrasonography images. Dis. Colon Rectum.48, 540–548 (2005).
  • Gregory WT, Boyles SH, Simmons K, Corcoran A, Clark AL. External anal sphincter volume measurements using 3-dimensional endoanal ultrasound. Am. J. Obstet. Gynecol.194, 1243–1248 (2006).
  • West RL, Dwarkasing S, Briel JW et al. Can three-dimensional endoanal ultrasonography detect external anal sphincter atrophy? A comparison with endoanal magnetic resonance imaging. Int. J. Colorectal Dis.20, 328–333 (2005).
  • Cazemier M, Terra MP, Stoker J et al. Atrophy and defects detection of the external anal sphincter: comparison between three-dimensional anal endosonography and endoanal magnetic resonance imaging. Dis. Colon Rectum.49, 20–27 (2006).
  • 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.78, 308–311 (2005).
  • Huang WC, Yang SH, Yang JM. Three-dimensional transperineal sonographic characteristics of the anal sphincter complex in nulliparous women. Ultrasound Obstet. Gynecol.30(2), 210–220 (2007).
  • Regadas FS, Murad-Regadas SM, Wexner SD et al. Anorectal three-dimensional endosonography and anal manometry in assessing anterior rectocele in women: a new pathogenesis concept and the basic surgical principle. Colorectal Dis.9(1), 80–85 (2007).
  • Santoro GA, Fortling B. The advantages of volume rendering in three-dimensional endosonography of the anorectum. Dis. Colon Rectum.50(3), 359–368 (2007).
  • Lunniss PJ, Phillips R. Anatomy and function of the anal longitudinal muscle. Br. J. Surg.79, 882–884 (1992).
  • Gerdes B, Kohler HH, Zielke A, Kisker O, Barth PJ, Stinner B. The anatomical basis of anal endosonography – a study in postmortem specimens. Surg. Endoscopy11, 986–990 (1997).
  • Konerding MA, Dzemali O, Gaumann A, Malkusch W, Eckardt VF. Correlation of endoanal sonography with cross-sectional anatomy of the analsphincter. Gastrointest. Endosc.50(6), 804–810 (1999).
  • Eckardt VF, Jung B, Fischer B, Lierse W. Anal endosonography in healthy subjects and patients with idiopathic fecal incontinence. Dis. Colon Rectum37, 235–242 (1994).
  • Law PJ, Bartram CI. Anal endosonography. Technique and normal anatomy. Gastrointestinal Radiol.14, 349–353 (1989).
  • Nielsen MB, Pedersen JF, Hauge C, Rasmussen OO, Christiansen J. Endosonography of the anal sphincter: findings in healthy volunteers. Am. J. Roentgenol.157, 1199–1202 (1991).
  • Tjandra JJ, Milsom JW, Stolfi VM et al. Endoluminal ultrasound defines anatomy of the anal canal and pelvic floor. Dis. Colon Rectum35, 465–470 (1992).
  • Nielsen MB, Hauge C, Rasmussen OO, Sorensen M, Pedersen JF, Christiansen J. Anal sphincter size measured by endosonography in healthy volunteers. Effect of age, sex and parity. Acta Radiol.33, 453–456 (1992).
  • Burnett SJ, Bartram CI. Endosonographic variations in the normal internal anal sphincter. Int. J. Colorect. Dis.6, 2–4 (1991).
  • Sultan AH, Nicholls RJ, Kamm MA, Hudson CN, Beynon J, Bartram CI. Anal endosonography and correlation with in vitro and in vivo anatomy. Br. J. Surg.80, 508–511 (1993).
  • Sultan AH, Kamm MA, Hudson CN, Nicholls JR, Bartram CI. Endosonography of the anal sphincters: normal anatomy and comparison with manometry. Clin. Radiol.49, 368–374 (1994).
  • Papachrysostomou M, Pye SD, Wild SR, Smith AN. Anal endosonography in asymptomatic subjects. Scand. J. Gastroenterol.28, 551–556 (1993).
  • Poen AC, Felt-Bersma RJF, Cuesta MA, Meuwissen SGM. Normal values and reproducibilty of anal endosonographic measurements. Eur. J. Ultrasound6, 103–110 (1997).
  • Papachrysostomou M, Pye SD, Wild SR, Smith AN. Significance of the thickness of the anal sphincters with age and its relevance in faecal incontinence. Scand. J. Gastroenterol.29, 710–714 (1994).
  • Nielsen MB, Pedersen JF. Changes in the anal sphincter with age. An endosonographic study. Acta Radiol.37, 357–361 (1996).
  • Schafer R, Heyer T, Gantke B et al. Anal endosonography and manometry: comparison in patients with defecation problems. Dis. Colon Rectum40, 293–297 (1997).
  • Gantke B, Schafer A, Enck P, Lubke HJ. Sonographic, manometric, and myographic evaluation of the anal sphincters morphology and function. Dis. Colon Rectum36, 1037–1041 (1993).
  • Emblem R, Dhaenens G, Stien R, Morkric L, Aasen AO, Bergan A. The importance of anal endosonography in the evaluation of idiopathic fecal incontinence.Dis. Colon Rectum37, 42–48 (1994).
  • Klosterhalfen B, Offner F, Topf N, Vogel P, Mittermayer C. Sclerosis of the internal anal sphincter – a process of aging. Dis. Colon Rectum33, 606–609 (1990).
  • Poen AC, Felt-Bersma RJF, Cuesta MA, Meuwissen SGM. Anal endosonography in haemorroidal disease: do anatomical changes have clinical implications? Colorectal Dis.1, 146–150 (1999).
  • Loder PB, Kamm MA, Nicholls RJ, Phillips RKS. Haemorrhoids: pathology, pathophysiology and aetiology. Br. J. Surg.81, 946–954 (1994).
  • Poen AC, Felt-Bersma RJF, Cuesta MA, Meuwissen SGM. Vaginal endosonography of the anal sphincter complex is important in the diagnosis of faecal incontinence and perianal sepsis. Br. J. Surg.85, 359–363 (1998).
  • Kleinübing H Jr, Jannini JF, Campos AC, Pinho M, Ferreira LC. The role of transperineal ultrasonography in the assessment of the internal opening of cryptogenic anal fistula. Tech. Coloproctol.11(4), 327–331 (2007).
  • Maconi G, Ardizzone S, Greco S et al. Transperineal ultrasound in the detection of perianal and rectovaginal fistulae in Crohn’s disease. Am. J. Gastroenterol.102(10), 2214–2219 (2007).
  • Haber HP, Seitz G, Warmann SW, Fuchs J. Transperineal sonography for determination of the type of imperforate anus. AJR Am. J. Roentgenol.189(6), 1525–1529 (2007).
  • Zbar AP, Oyetunji RO, Gill R. Transperineal versus hydrogen peroxide-enhanced endoanal ultrasonography in never operated and recurrent cryptogenic fistula-in-ano: a pilot study. Tech. Coloproctol.10(4), 297–302 (2006).
  • Parks AG, Swash M, Urich H. Sphincter denervation in anorectal incontinence and rectal prolapse. Gut18, 656–665 (1977).
  • Snooks SJ, Swash M, Setchell M, Henry MM. Injury to innervation of pelvic floor sphincter musculature in child birth. Lancet546–550 (1984).
  • Sultan AH, Kamm MA, Hudson CN, Thomas JM, Bartram CI. Anal-sphincter disruption during vaginal delivery. N. Engl. J. Med.329, 1905–1911 (1993).
  • Kamm MA. Obstetric damage and faecal incontinence. Lancet344, 730–733 (1994).
  • Oberwalder M, Connor J, Wexner SD. Meta-analysis to determine the incidence of obstetric anal sphincter damage. Br. J. Surg.90, 1333–1337 (2003).
  • Zetterstrom J, Lopez A, Holmstrom B et al. Obstetric sphincter tears and anal incontinence: an observational follow-up study. Acta Obstet. Gynecol. Scand.82, 921–928 (2003).
  • Abramowitz L, Sobhani I, Ganansia R et al. Are sphincter defects the cause of anal incontinence after vaginal delivery? Results of a prospective study. Dis. Colon Rectum.43, 590–596 (2000).
  • Benifla JL, Abramowitz L, Sobhani I et al. Postpartum sphincter rupture and anal incontinence: prospective study with 259 patients. Gynecol. Obstet. Fertil.28, 15–22 (2000).
  • Felt-Bersma RJ, van BR, Koorevaar M, Strijers RL, Cuesta MA. Unsuspected sphincter defects shown by anal endosonography after anorectal surgery. A prospective study. Dis. Colon Rectum38, 249–253 (1995).
  • Sultan AH, Kamm MA, Nicholls RJ, Bartram CI. Prospective study of the extent of internal anal sphincter division during lateral sphincterotomy. Dis. Colon Rectum37, 1031–1033 (1994).
  • Farouk R, Drew P, Duthie G, Lee P, Moson J. Disruption of the internal anal sphincter can occur after transanal stapling. Br. J. Surg.83, 1400 (1996).
  • Silvis R, van Eekelen JW, Delemarre JB, Gooszen HG. Endosonography of the anal sphincter after ileal pouch–anal anastomosis. Relation with anal manometry and fecal continence. Dis. Colon Rectum38, 383–388 (1995).
  • Vaizey CJ, Kamm MA, Bartram CI. Primary degeneration of the internal anal sphincter as a cause of passive faecal incontinence. Lancet349, 612–615 (1997).
  • Faltin DL, Boulvain M, Irion O, Bretones S, Stan C, Weil A. Diagnosis of anal sphincter tears by postpartum endosonography predict fecal incontinence.Obstet. Gynecol.95, 643–647 (2000).
  • Faridi A, Willis S, Schelzig P, Siggelkow W, Schumpelick V, Rath W. Anal sphincter injury during vaginal delivery – an argument for cesarean section on request? J. Perinat. Med.30, 379–387 (2002).
  • Bartram CI. Ultrasound. In: Imaging Pelvic Floor Disorders. Bartram CI, deLancy JOL (Eds). Springer, NY, USA (2003).
  • Williams AB, Cheetham MJ, Bartram CI et al. Gender differences in the longitudinal pressure profile of the anal canal related to anatomical structure as demonstrated on three-dimensional analendosonography. Br. J. Surg.87, 1674–1679 (2000).
  • Kumar A, Scholefield JH. Endosonography of the anal canal and rectum. World J. Surg.24, 208–215 (2000).
  • Rociu E, Stoker J, Zwamborn AW, Lameris JS. Endoanal MR imaging of the anal sphincter in fecal incontinence. Radiographics19, S171–S177 (1999).
  • Meyenberger C, Bertschinger P, Zala GF, Buchmann P. Anal sphincter defects in fecal incontinence: correlation between endosonography and surgery. Endoscopy28, 217–224 (1996).
  • Sultan AH, Kamm MA, Talbot IC, Nicholls RJ, Bartram CI. Anal endosonography for identifying external sphincter defects confirmed histologically. Br. J. Surg.81, 463–465 (1994).
  • Romano G, Rotondano G, Esposito P, Pellecchia L, Novi A. External anal sphincter defects: correlation between pre-operative anal endosonography and intraoperative findings. Br. J. Radiol.69, 6–9 (1996).
  • Burnett SJ, Speakman CT, Kamm MA, Bartram CI. Confirmation of endosonographic detection of external anal sphincter defects by simultaneous electromyographic mapping. Br. J. Surg.78, 448–450 (1991).
  • Deen KI, Kumar D, Williams JG, Olliff J, Keighley MRB. Anal sphincter defects: correlation between endoanal ultrasound and surgery. Ann. Surg.218, 201–205 (1993).
  • Tjandra JJ, Milsom JW, Schroeder T, Fazio VW. Endoluminal ultrasound is preferable to electromyography in mapping anal sphincteric defects. Dis. Colon Rectum36, 689–692 (1993).
  • Poen AC, Felt-Bersma RJF, Cuesta MA, Meuwissen SGM. Normal values and reproducibilty of anal endosonographic measurements. Eur. J. Ultrasound6, 103–110 (1997).
  • Falk PM, Blatchford GJ, Cali RL, Christensen MA, Thorson AG. Transanal ultrasound and manometry in the evaluation of fecal incontinence. Dis. Colon Rectum37, 468–472 (1994).
  • Pinta TM, Kylanpaa ML, Salmi TK, Teramo KA, Luukkonen PS. Primary sphincter repair: are the results of the operation good enough? Dis. Colon Rectum.47, 18–23 (2004).
  • Fritsch H, Brenner E, Lienemann A, Ludwikowski B. Anal sphincter complex: reinterpreted morphology and its clinical relevance. Dis. Colon Rectum.45, 188–194 (2002).
  • Law PJ, Kamm MA, Bartram CI. A comparison between electromyography and anal endosonography in mapping external anal sphincter defects. Dis. Colon Rectum33, 370–373 (1990).
  • Enck P, von GHJ, Schafer A et al. Comparison of anal sonography with conventional needle electromyography in the evaluation of anal sphincter defects. Am. J. Gastroenterol.91, 2539–2543 (1996).
  • Felt-Bersma RJ, Cuesta MA, Koorevaar M. Anal sphincter repair improves anorectal function and endosonographic image. A prospective clinical study. Dis. Colon Rectum39, 878–885 (1996).
  • Voyvodic F, Rieger NA, Skinner S et al. Endosonographic imaging of anal sphincter injury: does the size of the tearcorrelate with the degree of dysfunction? Dis. Colon Rectum.46, 735–741 (2003).
  • Felt-Bersma RJ. Comment. Dis. Colon Rectum.46(6), 735–741 (2003).
  • Felt-Bersma RJ, Sloots CE, Poen AC, Cuesta MA, Meuwissen SG. Rectal compliance as a routine measurement: extreme volumes have direct clinical impact and normal volumes exclude rectum as a problem. Dis. Colon Rectum.43, 1732–1738 (2000).
  • Riccard R, Melgren AF, Madoff RD, Baxter NN, Karulf RE, Parker SC. The utility of pudendal nerve terminal latencies in idiopathic incontinence. Dis. Colon Rectum49(6), 852–857. (2006).
  • Speakman CT, Burnett SJ, Kamm MA, Bartram CI. Sphincter injury after anal dilatation demonstrated by anal endosonography. Br. J. Surg.78, 1429–1430 (1991).
  • Khubchandani IT, Reed JF. Sequelae of internal sphincterotomy for chronic fissure in ano. Br. J. Surg.76, 431–434 (1989).
  • Tjandra JJ, Han WR, Ooi BS, Nagesh A, Thorne M. Faecal incontinence after lateral internal sphincterotomy is often associated with coexisting occult sphincter defects: a study using endoanal ultrasonography. ANZ J. Surg.71, 598–602 (2001).
  • Sultan AH, Kamm MA, Nicholls RJ, Bartram CI. Prospective study of the extent of internal anal sphincter division during lateral sphincterotomy. Dis. Colon Rectum.37(10), 1031–1033 (1994).
  • Kennedy HL, Zegarra JP. Fistulotomy without external sphincter division for high anal fistulae. Br. J. Surg.77, 898–901 (1990).
  • Farouk R, Bartolo DC. The use of endoluminal ultrasound in the assessment of patients with faecal incontinence. J. R. Coll. Surg. Edinb.39, 312–318 (1994).
  • Engel AF, Kamm MA, Talbot IC. Progressive systemic sclerosis of the internal anal sphincter leading to passive faecal incontinence. Gut35, 857–859 (1994).
  • Daniel F, De Parades V, Cellier C. Abnormal appearance of the internal anal sphincter at ultrasound: a specific feature of progressive systemic sclerosis? Gastroenterol. Clin. Biol.29, 597–599 (2005).
  • Handa VL, Danielsen BH, Gilbert WM. Obstetric anal sphincter lacerations. Obstet. Gynecol.98, 225–230 (2001).
  • de Parades V, Etienney I, Thabut D et al. Anal sphincter injury after forceps delivery: myth or reality? A prospective ultrasound study of 93 females. Dis. Colon Rectum.47, 24–34 (2004).
  • Lee SJ, Park JW. Follow-up evaluation of the effect of vaginal delivery on the pelvic floor. Dis. Colon Rectum.43, 1550–1555 (2000).
  • Snooks SJ, Swash M, Mathers SE, Henry MM. Effect of vaginal delivery on the pelvic floor: a 5-year follow-up. Br. J. Surg.77, 1358–1360 (1990).
  • Martinez Hernandez Magro P, Villanueva Saenz E, Jaime Zavala M, Sandoval Munro RD, Rocha Ramirez JL. Endoanal sonography in assessment of fecal incontinence following obstetrictrauma. Ultrasound Obstet. Gynecol.22, 616–621 (2003).
  • Deen KI, Kumar D, Williams JG, Olliff J, Keighley MR. The prevalence of anal sphincter defects in faecal incontinence: a prospective endosonic study. Gut34, 685–688 (1993).
  • Williams AB, Bartram CI, Halligan S, Spencer JA, Nicholls RJ, Kmiot WA. Anal sphincter damage after vaginal delivery using three-dimensional endosonography. Obstet. Gynecol.97, 770–775 (2001).
  • Donnelly V, Fynes M, Campbell D, Johnson H, O’Connell PR, O’Herlihy C. Obstetric events leading to anal sphincter damage. Obstet. Gynecol.92, 955–961 (1998).
  • Poen AC, Felt-Bersma RJ, Strijers RL, Dekker GA, Cuesta MA, Meuwissen SG. Third-degree obstetric perineal tear: long-term clinical and functional results after primary repair. Br. J. Surg.85, 1433–1438 (1998).
  • Poen AC, Felt-Bersma RJ, Eijsbouts QA, Cuesta MA, Meuwissen SG. Hydrogen peroxide-enhanced transanal ultrasound in the assessment of fistula-in-ano. Dis. Colon Rectum41, 1147–1152 (1998).
  • Tankova L, Draganov V, Damyanov N. Endosonography for assessment of anorectal changes in patients with fecal incontinence. Eur. J. Ultrasound.12, 221–225 (2001).
  • Snooks SJ, Swash M, Henry MM, Setchell M. Risk factors in childbirth causing damage to the pelvic floor innervation. Int. J. Colorectal Dis.1, 20–24 (1986).
  • Snooks SJ, Barnes PR, Swash M, Henry MM. Damage to the innervation of the pelvic floor musculature in chronic constipation. Gastroenterology89, 977–981 (1985).
  • Lubowski DZ, Swash M, Nicholls RJ, Henry MM. Increase in pudendal nerve terminal motor latency with defaecation straining. Br. J. Surg.75, 1095–1097 (1988).
  • Parks AG. Anorectal incontinence. Proc. R. Soc. Med.68, 681–690 (1975).
  • Keighley MRB, Fielding JWL. Management of faecal incontinence and results of surgical treatment. Br. J. Surg.70, 463–468 (1983).
  • Fang DT, Nivatvongs S, Vermeulen FD, Herman FN, Goldberg SM, Rothenberger DA. Overlapping sphincteroplasty for acquired anal incontinence. Dis. Col. Rect.27, 720–722 (1984).
  • Browning GGP. The late Parks AG. Post-anal repair for neuropathic faecal incontinence: correlation of clinical results and anal canal pressures? Br. J. Surg.70, 101–104 (1983).
  • Motson RW. Sphincter injuries: indications for, and results of sphincter repair. Br. J. Surg.72, S19–S21 (1985).
  • Gearhart S, Hull T, Floruta C, Schroeder T, Hammel J. Anal manometric parameters: predictors of outcome following anal sphincter repair? J. Gastrointest. Surg.9(1), 115–120 (2005).
  • Pinta T, Kylanpaa-Back ML, Salmi T, Jarvinen HJ, Luukkonen P. Delayed sphincter repair for obstetric ruptures: analysis of failure. Colorectal Dis.5, 73–78 (2003).
  • Engel AF, Kamm MA, Sultan AH, Bartram CI, Nicholls RJ. Anterior anal sphincter repair in patients with obstetric trauma. Br. J. Surg.81, 1231–1214 (1994).
  • Birnbaum EH, Stamm L, Rafferty JF, Fry RD, Kodner IJ, Fleshman JW. Pudendal nerve terminal motor latency influences surgical outcome in treatment of rectal prolapse. Dis. Colon Rectum.39, 1215–1221 (1996).
  • Tjandra JJ, Chan MK, Yeh CH, Murray-Green C. Sacral nerve stimulation is more effective than optimal medical therapy for severe fecal incontinence: a randomized, controlled study. Dis. Colon Rectum.51(5), 494–502 (2008).
  • Melenhorst J, Koch SM, Uludag O, van Gemert WG, Baeten CG. Sacral neuromodulation in patients with faecal incontinence: results of the first 100 permanent implantations. Colorectal Dis.9(8), 725–730 (2007).
  • Conaghan P, Farouk R. Sacral nerve stimulation can be successful in patients with ultrasound evidence of external anal sphincter disruption. Dis. Colon Rectum.48(8), 1610–1614 (2005).
  • Briel JW, Zimmerman DD, Stoker J et al. Relationship between sphincter morphology on endoanal MRI and histopathological aspects of the external anal sphincter. Int. J. Colorectal Dis.15, 87–90 (2000).
  • deSouza NM, Puni R, Zbar A, Gilderdale DJ, Coutts GA, Krausz T. MR imaging of the anal sphincter in multiparous women using an endoanal coil: correlation with in vitro anatomy and appearances in fecal incontinence. AJR Am. J. Roentgenol.167, 1465–1471 (1996).
  • Briel JW, Stoker J, Rociu E, Lameris JS, Hop WC, Schouten WR. External anal sphincter atrophy on endoanal magnetic resonance imaging adversely affects continence after sphincteroplasty. Br. J. Surg.86, 1322–1327 (1999).
  • Rociu E, Stoker J, Eijkemans MJ, Lameris JS. Normal anal sphincter anatomy and age- and sex-related variations at high-spatial-resolution endoanal MR imaging. Radiology217, 395–401 (2000).
  • Williams AB, Malouf AJ, Bartram CI, Halligan S, Kamm MA, Kmiot WA. Assessment of external anal sphincter morphology in idiopathic fecal incontinence with endocoil magnetic resonance imaging. Dig. Dis. Sci.46, 1466–1471 (2001).
  • Williams AB, Bartram CI, Modhwadia D et al. Endocoil magnetic resonance imaging quantification of external anal sphincter atrophy. Br. J. Surg.88, 853–859 (2001).
  • Malouf AJ, Williams AB, Halligan S, Bartram CI, Dhillon S, Kamm MA. Prospective assessment of accuracy of endoanal MR imaging and endosonography in patients with fecal incontinence. AJR Am. J. Roentgenol.175, 741–745 (2000).
  • Malouf AJ, Halligan S, Williams AB, Bartram CI, Dhillon S, Kamm MA. Prospective assessment of interobserver agreement for endoanal MRI in fecal Incontinence. Abdom. Imaging.26, 76–78 (2001).
  • Pinta T, Kylanpaa ML, Luukkonen P, Tapani E, Kivisaari A, Kivisaari L. Anal incontinence: diagnosis by endoanal US or endovaginal MRI. Eur. Radiol.14, 1472–1477 (2004).
  • Williams AB, Bartram CI, Halligan S, Marshall MM, Nicholls RJ, Kmiot WA. Endosonographic anatomy of the normal anal canal compared with endocoil magnetic resonance imaging. Dis. Colon Rectum.45, 176–183 (2002).
  • Dobben AC, Terra MP, Slors JF et al. External anal sphincter defects in patients with fecal incontinence: comparison of endoanal MR imaging and endoanal US. Radiology242(2), 463–471 (2007).
  • Beets-Tan RG, Morren GL, Beets GL et al. Measurement of anal sphincter muscles: endoanal US, endoanal MR imaging, or phased-array MR imaging? A study with healthy volunteers. Radiology220, 81–89 (2001).
  • Jones NM, Humphreys MS, Goodman TR, Sullivan PB, Grant HW. The value of anal endosonography compared with magnetic resonance imaging following the repair of anorectal malformations. Pediatr. Radiol.33, 183–185 (2003).
  • Terra MP, Deutekom M, Beets-Tan RG et al. Relationship between external anal sphincter atrophy at endoanal magnetic resonance imaging and clinical, functional, and anatomic characteristics in patients with fecal incontinence. Dis. Colon Rectum49, 668–678 (2006).
  • Felt-Bersma R, Gort G, Meuwissen S. Normal values in anal manometry and rectal sensation: a problem of range. Hepato. Gastroenterol.38, 444–449 (1991).
  • Burnett SJ, Spence Jones C, Speakman CT, Kamm MA, Hudson CN, Bartram CI. Unsuspected spincter damage following childbirth revealed by anal endosonography. Br. J. Radiol.64, 225–227 (1991).
  • Felt-Bersma RJF, Cuesta MA, Koorevaar M et al. Anal endosonography: relationship with anal manometry and neurophysiologic tests. Dis. Colon Rectum35, 944–949 (1992).
  • Sultan AH, Kamm MA, Talbot IC, Nicholls RJ, Bartram CI. Anal endosonography for identifying external sphincter defects confirmed histologically. Br. J. Surg.81, 463–465 (1994).
  • Nielsen MB, Hauge C, Pedersen JF, Christiansen J. Endosonographic evaluation of patients with anal incontinence: findings and influence on surgical management. Am. J. Roentgenol.160, 771–775 (1993).
  • Rieger NA, Sweeney JL, Hoffmann DC, Young JF, Hunter A. Investigation of fecal incontinence with endoanal ultrasound. Dis. Colon Rectum39, 860–864 (1996).
  • Hill K, Fanning S, Fennerty MB, Faigel DO. Endoanal ultrasound compared to anorectal manometry for the evaluation of fecal incontinence: a study of the effect these tests have on clinical outcome. Dig. Dis. Sci.51, 235–240 (2006).
  • Barthet M, Bellon P, Abou E et al. Anal endosonography for assessment of anal incontinence with a linear probe: relationships with clinical and manometric features. Int. J. Colorectal Dis.17, 123–128 (2002).
  • Titi MA, Jenkins JT, Urie A, Molloy RG. Correlation between anal manometry and endosonography in females with faecal incontinence. Colorectal Dis.10(2), 131–137 (2008).
  • Felt-Bersma RJ, Cuesta MA, Koorevaar M. Anal sphincter repair improves anorectal function and endosonographic image. A prospective clinical study. Dis. Colon Rectum39, 878–885 (1996).
  • Nielsen MB, Dammegaard L, Pedersen JF. Endosonographic assessment of the anal sphincter after surgical reconstruction. Dis. Colon Rectum37, 434–438 (1994).
  • Poen AC, Felt-Bersma RJ, Cuesta MA, Meuwissen SGM. Third degree perineal rupture: long term clinical and functional results after primary repair. Br. J. Surg.85, 1433–1438 (1998).
  • Sitzler PJ, Thomson JP. Overlap repair of damaged anal sphincter. A single surgeon’s series. Dis. Colon Rectum39, 1356–1360 (1996).
  • Engel AF, Kamm MA, Sultan AH, Bartram CI, Nicholls RJ. Anterior anal sphincter repair in patients with obstetric trauma. Br. J. Surg.81, 1231–1234 (1994).
  • Ternent CA, Shashidharan M, Blatchford GJ, Christensen MA, Thorson AG, Sentovich SM. Transanal ultrasound and anorectal physiology findings affecting continence after sphincteroplasty. Dis. Colon Rectum40, 462–467 (1997).
  • Starck M, Bohe M, Valentin L. The extent of endosonographic anal sphincter defects after primary repair of obstetric sphincter tears increases over time and is related to anal incontinence. Ultrasound Obstet. Gynecol.27, 188–197 (2006).
  • Allgayer H, Dietrich CF, Rohde W, Koch GF, Tuschhoff T. Prospective comparison of short- and long-term effects of pelvic floor exercise/biofeedback training in patients with fecal incontinence after surgery plus irradiation versus surgery alone for colorectal cancer: clinical, functional and endoscopic/endosonographic findings. Scand. J. Gastroenterol.40, 1168–1175 (2005).
  • Norderval S, Oian P, Revhaug A, Vonen B. Anal incontinence after obstetric sphincter tears: outcome of anatomic primary repairs. Dis. Colon Rectum.48, 1055–1061 (2005).
  • Giordano P, Renzi A, Efron J et al. Previous sphincter repair does not affect the outcome of repeat repair. Dis. Colon Rectum45, 635–640 (2002).
  • Savoye-Collet C, Savoye G, Koning E et al. Anal endosonography after sphincter repair: specific patterns related to clinical outcome. Abdom. Imaging24, 569–573 (1999).
  • Parks AG, Gordon PH, Hardcastle JD. A classification of fistula-in-ano. Br. J. Surg.63, 1–12 (1976).
  • Cheong DMO, Nogueras JJ, Wexner SD, Jagelman DG. Anal endosonography for recurrent anal fistulas: image enhancement with hydrogen peroxide. Dis. Colon Rectum36, 1158–1160 (1993).
  • Poen AC, Felt-Bersma RJF, Eijsbouts QAJ, Cuesta MA, Meuwissen SGM. Hydrogen peroxide-enhanced transanal ultrasound in the assessment of fistula-in-ano. Dis. Colon Rectum41, 1147–1152 (1998).
  • Ratto C, Gentile E, Merico M et al. How can the assessment of fistula-in-ano be improved? Dis. Colon Rectum43, 1375–1382 (2000).
  • Sloots CEJ, Felt-Bersma RJF, Poen AC, Cuesta MA. Assessment and classification of never operated and recurrent cryptoglandular fistulas-in-ano using hydrogen peroxide enhanced transanal ultrasound. Colorectal Dis.3, 422–426 (2001).
  • Sloots CEJ, Felt-Bersma RJF, Poen AC, Cuesta MA, Meuwissen SGM. Assessement and classification of fistula-in-ano in patients with Crohn’s disease by hydrogen peroxide enhanced transanal ultrsound. Int. J. Colorectal. Dis.16, 292–297 (2001).
  • Sudol-Szopinska I, Jakubowski W, Szczepkowski M. Contrast-enhanced endosonography for the diagnosis of anal and anovaginal fistulas. J. Clin. Ultrasound30, 145–150 (2002).
  • Sudol-Szopinska I, Gesla J, Jakubowski W, Noszczyk W, Szczepkowsi M, Sarti D. Reliability of endosonography in evaluation of anal fistulae and abscesses. Acta Radiol.43, 599–602 (2002).
  • Navarro-Luna A, Garcia-Domingo MI, Rius-Macias J, Marco-Molina C. Ultrasound study of anal fistulas with hydrogen peroxide enhancement. Dis. Colon Rectum.47, 108–114 (2004).
  • Buchanan GN, Bartram CI, Wiliams AB, Halligan S, Cohen CR. Value of hydrogenperoxide enhancement of three dimensional fistula-in-ano. Dis. Colon Rectum48, 141–147 (2005).
  • Maor Y, Chowers Y, Koller M, Zmora O, Bar-Meir S, Avidan B. Endosonographic evaluation of peri-anal fistulas and abscesses: comparison of two instruments and assessment of the role of hydrogen peroxide injection. J. Clin. Ultrasound33, 226–232 (2005).
  • Szyszko TA, Bush J, Gishen P, Sellu D, Desouza NM. Endoanal magnetic resonance imaging of fistula-in-ano: a comparison of STIR with gadolinium-enhanced techniques. Acta Radiol.46, 3–8 (2005).
  • Maccioni F, Colaiacomo MC, Stasolla A, Manganaro L, Izzo L, Marini M. Value of MRI performed with phased-array coil in the diagnosis and pre-operative classification of perianal and anal fistulas. Radiol. Med. (Torino)104, 58–67 (2002).
  • Morris J, Spencer JA, Ambrose NS. MR imaging classification of perianal fistulas and its implications for patient management. Radiographics20, 623–635; discussion 635–637 (2000).
  • Stoker J, Fa VE, Eijkemans MJ, Schouten WR, Lameris JS. Endoanal MRI of perianal fistulas: the optimal imaging planes. Eur. Radiol.8, 1212–1216 (1998).
  • Spencer JA, Chapple K, Wilson D, Ward J, Windsor AC, Ambrose NS. Outcome after surgery for perianal fistula: predictive value of MR imaging. AJR Am. J. Roentgenol.171, 403–406 (1998).
  • deSouza NM, Gilderdale DJ, Coutts GA, Puni R, Steiner RE. MRI of fistula-in-ano: a comparison of endoanal coil with external phased array coil techniques. J. Comput. Assist. Tomogr.22, 357–363 (1998).
  • Chew SS, Yang JL, Newstead GL, Douglas PR. Anal fistula: levovist-enhanced endoanal ultrasound: a pilot study. Dis. Colon Rectum.46, 377–384 (2003).
  • Cirocco WC, Reilly JC. Challenging the predictive accuracy of Goodsall’s rule for anal fistulas. Dis. Colon Rectum35(6), 537–542 (1992).
  • Bodegraven AA van, Sloots CEJ, Felt-Bersma RJF, Meuwissen SGM. Endosonographic evidence of persistence of Crohn’s disease associated fistulas after infliximab treatment, irrespective of clinical response. Dis. Colon Rectum45, 39–45 (2002).
  • Ardizzone S, Maconi G, Colombo E, Manzionna G, Bollani S, Bianchi Porro G. Perianal fistulae following infliximab treatment. Clinical and endosonographic outcome. Inflamm. Bowel Dis.10, 91–96 (2004).
  • West RL, Woude van der CJ, Hansen BE, Felt-Bersma RJF, Kuipers EJ. Clinical and endosonographic effect of ciprofloxacine on the treatment of perianal fistulas. Aliment Pharmacol. Ther.20, 1329–1336 (2004).
  • Schwartz DA, White CM, Wise PE, Herline AJ. Use of endoscopic ultrasound to guide combination medical and surgical therapy for patients with Crohn’s perianal fistulas. Inlamm. Bowel Dis.11, 727–732 (2005).
  • Schratter SA, Lochs H, Vogelsang H, Schurawitzki H, Herold C, Schratter M. Endoscopic ultrasonography versus computed tomography in the differential diagnosis of perianorectal complications in Crohn’s disease. Endoscopy25, 582–586 (1993).
  • Schratter SA, Lochs H, Handl ZL, Tscholakoff D, Schratter M. Endosonographic features of the lower pelvic region in Crohn’s disease. Am. J. Gastroenterol.88, 1054–1057 (1993).
  • Solomon M. Fistulae and abscesses in symptomatic perianal Crohn’s disease. Int. J. Colorect. Dis.11, 222–226 (1996).
  • Van Outryve MJ, Pelckmans PA, Michielsen PP, Van Maercke YM. Value of transrectal ultrasonography in Crohn’s disease. Gastroenterol101, 1171–1177 (1991).
  • Solomon MJ, McLeod RS, Cohen EK, Cohen Z. Anal wall thickness under normal and inflammatory conditions of the anorectum as determined by endoluminal ultrasonography. Am. J. Gastroenterology90, 574–578 (1995).
  • Lew RJ, Ginsberg GG. The role of endoscopic ultrasound in inflammatory bowel disease. Gastrointest. Endosc. Clin. N. Am.12, 561–571 (2002).
  • West RL, Zimmerman DD, Dwarkasing S et al. Prospective comparison of hydrogen peroxide-enhanced three-dimensional endoanal ultrasonography and endoanal magnetic resonance imaging of perinanal fistulas. Dis. Colon Rectum.46, 1407–1415 (2003).
  • West RL, Dwarskasing S, Felt-Bersma RJF et al. Hydrogen peroxide-enganced three-dimensional endoanal ultrasonography and endoanal magnetic resonace imaging in evaluating perianal fistlas: agreement and patient preference. Gastroenterol. Hepatol.16, 1319–1324 (2004).
  • Buchanan GN, Halligan S, Bartram CI, Williams AB, Tarroni D, Cohen CR. Clinical examination, endosonography, and MRI imaging in preoperative assenssment of fistula in ano: comparison with outcome-based reference standard. Radiology233, 674–681 (2004).
  • Hussain SM, Stoker J, Schouten WR et al. Fistula in ano: endoanal sonography versus endoanal MR imaging in classification. Radiology200, 475–481 (1996).
  • Lunniss PJ, Barker PG, Sultan AH et al. Magnetic resonance imaging of fistula-in-ano. Dis. Colon Rectum37, 708–718 (1994).
  • Orsoni P, Barthet M, Portier F et al. Prospective comparison of endosonography, magnetic resonance imaging and surgical findings in anorectal fistula and abscess complicating Crohn’s disease. Br. J. Surg.86, 360–364 (1999).
  • Gustafsson UM, Kahvecioglu B, Astrom G et al. Endoanal ultrasound or magnetic resonance imaging for preoperative assessment of anal fistula: a comparative study. Colorectal Dis.3, 189–197 (2001).
  • Schwartz DA, Wiersema MJ, Dudiak KM et al. A comparison of endoscopic ultrasound, magnetic resonance imaging and exam under anesthesia for evaluation of Crohn’s perianal fistulas. Gastroenterology121, 1064–1072 (2001).
  • Stoker J, Rociu E, Schouten WR, Lameris JS. Anovaginal and rectovaginal fistulas: endoluminal sonography versus endoluminal MR imaging. Am. J. Roentgenol.178, 737–741 (2002).
  • Kamm MA, Hoyle CH, Burleigh DE et al. Hereditary internal anal sphincter myopathy causing proctalgia fugax and constipation. A newly identified condition. Gastroenterology100, 805–810 (1991).
  • Zbar AP, de la Portilla F, Borrero JJ, Garriques S. Hereditary internal anal sphincter myopathy: the first Caribbean family. Tech. Coloproctol.11(1), 60–63 (2007).
  • Brusciano L, Limongelli P, Pescatori M et al. Ultrasonographic patterns in patients with obstructed defaecation. Int. J. Colorectal Dis.22(8), 969–977 (2007).
  • Regadas FS, Murad-Regadas SM, Lima DM et al. Anal canal anatomy showed by three-dimensional anorectal ultrasonography. Surg. Endosc.21(12), 2207–2211 (2007).
  • Keshtgar AS, Ward HC, Clayden GS, Sanei A. Thickening of the internal anal sphincter in idiopathic constipation in children. Pediatr. Surg. Int.20(11–12), 817–823 (2004).
  • Marshall M, Halligan S, Fotheringham T, Bartram C, Nicholls RJ. Predictive value of internal anal sphincter thickness for diagnosis of rectalintussusception in patients with solitary rectal ulcer syndrome. Br. J. Surg.89(10), 1281–1285 (2002).
  • Pascual M, Pera M, Courtier R et al. Endosonographic and manometric evaluation of internal anal sphincter in patients with chronic anal fissure and its correlation with clinical outcome after topical glyceryl trinitrate therapy. Int. J. Colorectal Dis.22(8), 963–967 (2007).
  • Pascual M, Parés D, Pera M et al. Variation in clinical, manometric and endosonographic findings in anterior chronic anal fissure: a prospective study. Dig. Dis. Sci.53(1), 21–26 (2008).
  • Jenkins JT, Urie A, Molloy RG. Anterior anal fissures are associated with occult sphincter injury and abnormal sphincter function. Colorectal Dis.10(3), 280–285 (2007)
  • Eckardt VF, Dodt O, Kanzler G, Bernhard G. Anorectal function and morphology in patients with sporadic proctalgia fugax. Dis. Colon Rectum39, 755–762 (1996).
  • Poen AC, Felt-Bersma RJF, Cuesta MA, Meuwissen SGM. Anal endosonography in haemorroidal disease: do anatomical changes have clinical implications? Colorectal Dis.1, 146–150 (1999).
  • Nicholls MJ, Dunham R, O’Herlihy S, Finan PJ, Sagar PM, Burke D. Measurement of the anal cushions by transvaginal ultrasonography. Dis. Colon Rectum49(9), 1410–1413 (2006).
  • Ho YH, Cheong WK, Tsang C et al. Stapled haemorroidectomy – cost effectiveness. Randomized, controlled trial including incontinence scoring, anorectal manometry, and endoanal ultrasound assessments at up to three months. Dis. Colon Rectum43, 1666–1675 (2001).
  • Van de Stadt J, D’Hoore A, Duinslaeger M, Chasse E, Penninckx F; Belgian Section of Colorectal Surgery Royal Belgian Society for Surgery. Long-term results after excision haemorrhoidectomy versus stapled haemorrhoidopexy for prolapsing haemorrhoids; a Belgian prospective randomized trial. Acta Chir. Belg.105(1), 44–52 (2005).
  • Allan A, Samad AJ, Mellon A, Marshall T. Prospective randomised study of urgent haemorrhoidectomy compared with non-operative treatment in the management of prolapsed thrombosed internal haemorrhoids. Colorectal Dis.8(1), 41–45 (2006).
  • Cazemier M, Felt-Bersma RJ, Cuesta MA, Mulder CJ. Elastic band ligation of hemorrhoids: flexible gastroscope or rigid proctoscope? World J. Gastroenterol.13(4), 585–587 (2007).
  • Emblem R, Mørkrid L, Bjørnland K. Anal endosonography is useful for postoperative assessment of anorectal malformations. J. Pediatr. Surg.42(9), 1549–1554 (2007).

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