Anal Canal

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  Subject Areas on Research

  • A newborn with an anorectal malformation. 
  • A randomized controlled trial of anorectal biofeedback for constipation. 
  • Absence of detectable pharmacological effects after oral administration of isoxsuprine. 
  • Accuracy of the digital anal examination in women with fecal incontinence. 
  • Anal Carcinoma, Version 2.2018, NCCN Clinical Practice Guidelines in Oncology. 
  • Anal sphincter laceration at vaginal delivery: is this event coded accurately? 
  • Anal-rectal cytology: a review. 
  • Anal-rectal cytology: correlation with human papillomavirus status and biopsy diagnoses in a population of HIV-positive patients. 
  • Clinical Practice Guideline for the Management of Anal Fissures. 
  • Colonic "coloplasty": novel technique to enhance low colorectal or coloanal anastomosis. 
  • Correlation between levator ani muscle injuries on magnetic resonance imaging and fecal incontinence, pelvic organ prolapse, and urinary incontinence in primiparous women. 
  • Detection of neurogenic detrusor contractions from the activity of the external anal sphincter in cat and human. 
  • Doppler-guided hemorrhoidal artery ligation and rectoanal repair modification for the treatment of grade III and grade IV hemorrhoids: one-year follow-up. 
  • Effect of neonatal diethylstilbestrol exposure on volume of the sexually dimorphic nucleus of the preoptic area of the hypothalamus and pituitary responsiveness to gonadotropin-releasing hormone in female rats of known anogenital distance at birth. 
  • Endoanal ultrasound findings and fecal incontinence symptoms in women with and without recognized anal sphincter tears. 
  • Fascicular anatomy and surgical access of the human pudendal nerve. 
  • Fecal and urinary incontinence in primiparous women. 
  • Fecal incontinence: the role of the urologist. 
  • Impact of hospital procedure volume on surgical operation and long-term outcomes in high-risk curatively resected rectal cancer: findings from the Intergroup 0114 Study. 
  • Incidence and Predictors of Anal Incontinence After Obstetric Anal Sphincter Injury in Primiparous Women. 
  • Integration of Anal Dysplasia Screening into the Primary Care of Persons Living with HIV. 
  • Intensity-modulated radiation therapy for anal cancer: toxicity versus outcomes. 
  • Is severe perineal damage increased in women with prior anal sphincter injury? 
  • Low anal sphincter tone in infantile-onset Pompe Disease: an emerging clinical issue in enzyme replacement therapy patients requiring special attention. 
  • Motility disorders of the gastrointestinal tract. 
  • Multicenter retrospective comparative study of laparoscopically assisted and conventional anorectoplasty for male infants with rectoprostatic urethral fistula. 
  • Neurophysiologic intraoperative monitoring during surgery for tethered cord syndrome. 
  • Occiput posterior fetal head position increases the risk of anal sphincter injury in vacuum-assisted deliveries. 
  • Pelvic muscle electromyography of levator ani and external anal sphincter in nulliparous women and women with pelvic floor dysfunction. 
  • Perianal ulceration. A novel manifestation of angiocentric lymphoma. 
  • Prenatal cocaine and/or nicotine exposure in rats: preliminary findings on long-term cognitive outcome and genital development at birth. 
  • Preoperative concurrent chemotherapy and radiotherapy in rectal cancer patients. 
  • Primary rectal adenocarcinoma presenting as a giant perianal mass mimicking giant condyloma of Buschke-Lowenstein. 
  • Prospective phase I trial of conservative management of low rectal lesions. 
  • Prospective trial of preoperative concomitant boost radiotherapy with continuous infusion 5-fluorouracil for locally advanced rectal cancer. 
  • Quantitative electromyographic analysis of levator ani and external anal sphincter muscles of nulliparous women. 
  • RTOG 0529: a phase 2 evaluation of dose-painted intensity modulated radiation therapy in combination with 5-fluorouracil and mitomycin-C for the reduction of acute morbidity in carcinoma of the anal canal. 
  • Rate of pathologic complete response with increased interval between preoperative combined modality therapy and rectal cancer resection. 
  • Rectal cancer: the sphincter-sparing approach. 
  • Restoration of fecal continence after functional gluteoplasty: long-term results, technical refinements, and donor-site morbidity. 
  • Risk factors for fecal and urinary incontinence after childbirth: the childbirth and pelvic symptoms study. 
  • Routine contrast imaging of low pelvic anastomosis prior to closure of defunctioning ileostomy: is it necessary? 
  • Simulated transanal NOTES sigmoidectomy training improves the responsiveness of surgical endoscopists. 
  • Size of the urogenital hiatus in the levator ani muscles in normal women and women with pelvic organ prolapse. 
  • Sphincter preservation in rectal cancer. 
  • Sphincter preservation in rectal cancer. Local excision followed by postoperative radiation therapy. 
  • Sphincter-sparing surgery in patients with low-lying rectal cancer: techniques, oncologic outcomes, and functional results. 
  • Sphincter-sparing treatment for distal rectal adenocarcinoma. 
  • Surgery via natural orifices in human beings: yesterday, today, tomorrow. 
  • Symptom improvement in women after fecal incontinence treatments: a multicenter cohort study of the pelvic floor disorders network. 
  • The impact of occiput posterior fetal head position on the risk of anal sphincter injury in forceps-assisted vaginal deliveries. 
  • Tumor downstaging and sphincter preservation with preoperative chemoradiation in locally advanced rectal cancer: the M. D. Anderson Cancer Center experience. 
  • Urorectal septum malformation sequence. 
  • Vaginal delivery is associated with occult disruption of the anal sphincter mechanism.