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PubMed1976

Gonorrhoea in the asymptomatic patient: presentation and the role of contact tracing for heterosexual men and women and for homosexual men.

Clinically silent gonorrhoea is the major problem in the control of the disease. Only 12 per cent of infected women reported in 1974 because of symptoms, compared with 97 per cent of infected heterosexual men and only 35 per cent of homosexual men with gonococcal proctitis alone. Homosexual men, compared with heterosexual men, had twice as many subsequent sexual contacts after infection and had a higher incidence of early syphilis. Eighty-four per cent had experienced passive anorectal intercourse. Ninety-seven per cent of men with gonococcal urethritis reported because of symptoms, but occasionally (particularly after unsuccessful treatment) urethral gonorrhoea in men may be clinically silent and even require tests of the overnight urethral secretion for diagnosis. For women, and for homosexual men who have had passive anorectal (or oral) intercourse, the indication for attendance for tests for gonorrhoea should be having run the risk, and not the presence of symptoms. Routine tests of the anorectum for gonorrhoea are essential in cases of 80 women at risk, and for most homosexual men since over 80 per cent of these men will have had passive anorectal intercourse. Because gonococcal infections following treatment-failure are often clinically silent in both women and men, symptoms cannot be relied upon to indicate such failure. Follow-up smears and cultures are always essential.

Anal Canal↗
PubMed1982

Acute gonorrhea treated with a single intramuscular dose of mezlocillin.

151 patients with acute gonorrhea were included in the study. There were 137 cases of urethritis, seven cases of vulvovaginitis, six cases of pharyngitis and one case of proctitis. Five patients were given two i. m. injections of 1 g mezlocillin at an interval of 24 hours. The clinical symptoms had disappeared 24 hours after the first dose. 146 patients were then given single doses of mezlocillin intramuscularly (106 received 1 g, 40 received 2 g). The therapeutic results were confirmed by clinical and bacteriological examinations (urine culture, culture from swab exudate) after 96 hours and 30 days. The first control showed a cure rate of 100%. Thirteen of 133 patients had a reinfection at the second control. The mezlocillin infections were tolerated very well, both locally and generally.

Acute Disease↗
PubMed1989

Soiling: anorectal function and results of treatment.

Forty-five patients with soiling but without faecal incontinence were evaluated by means of anorectal function investigations (anal manometry, rectal capacity and saline infusion test). The causes of soiling and the effect of treatment on both soiling and anorectal function were studied. The results were compared with a control group of 161 patients without soiling or incontinence. The diagnoses were haemorrhoids (10), mucosal prolapse (7), rectal prolapse (6), fistulae (5), proctitis (3), faecal impaction (2), rectocele with intussusception (2), scars after fistulectomy (2) and others (8). Simple inspection and proctoscopy were generally sufficient to establish a diagnosis. For two patients the diagnosis rectocele was made after defaecography. Anorectal test results did not differ between the soiling and control group, did not contribute to establish a diagnosis and did not change after treatment. Only patients with a rectal prolapse had abnormal results in anorectal function tests: a low basal sphincter pressure and a limited continence reserve. Appropriate therapy resulted in complete recovery (44%) or improvement of symptoms (29%).

Anal Canal↗
PubMedDate not supplied

Isolation of Chlamydia trachomatis from the lower digestive tract.

Chlamydia trachomatis was isolated from ten of 188 biopsies (5.3%) obtained from different parts of the lower digestive tract. Patients (mean age 37.0 years) presented with ulcerative proctitis, Crohn's disease, mild colitis or ulcerative colitis. Seven rectal biopsies, two biopsies from the sigmoid flexure and one caecal biopsy were positive for chlamydial isolation whereas all biopsies taken from the colon ascendens, transversum or descendens and from the terminal ileum were negative. We conclude that isolation of C. trachomatis is most effective from rectal and sigmoidal biopsies and is a rare event from other sites of the lower digestive tract.

Adult↗
PubMed1991

Nonspecific radiographic abnormalities in collagenous colitis.

Collagenous colitis (CC) is characterized clinically by a chronic, watery diarrhea. Pathologically, there is a chronic lymphocytic infiltrate with abnormal thickening of the subepithelial collagen layer. This disease occurs predominantly in females, and is more frequent in the elderly. Previous clinical studies suggest that radiographic examination of the colon is of no value in this condition. We reviewed five cases of CC all of whom had colon examination within 2 weeks of the biopsy. Two of our patients showed evidence of mucosal granularity and irregularity of the rectosigmoid on double-contrast barium enema (DCBE). One patient had nodularity of the rectal wall on single-contrast colon examination. Two patients had no inflammatory changes evident on colon examination. These radiographic changes are nonspecific and may be seen in other forms of colitis, particularly ulcerative colitis and nonspecific proctitis.

Adolescent↗
PubMed1981

Benign (solitary) ulcer of the rectum -- another cause for rectal stricture.

Benign rectal ulcer syndrome is an uncommon cause of lower gastrointestinal bleeding. Patients may present with mild, often recurrent, rectal bleeding frequently ascribed to hemorrhoids. Barium enema may be normal during the early, nonulcerative phase of proctitis. Single (or multiple) ulcers with or without rectal stricture are the hallmarks of the radiographic diagnosis. Radiologic demonstration of the ulcer(s) is not required, however, for the diagnosis. Benign rectal ulcer should be included in the differential diagnosis of benign-appearing rectal strictures.

Adult↗
PubMed1992

Perineal manifestations of HIV infection.

Individuals who are seropositive for the human immunodeficiency virus (HIV) frequently have disorders affecting the anorectum, yet little has been reported on this subject. We reviewed our initial experience with patients with HIV referred to the Division of Colon and Rectal Surgery. Forty patients (age range, 19-45 years; mean, 32.2 years) were seen between 1985 and 1989. The mean duration of symptoms was six months (range, one week to six years). In 25 patients (63 percent), more than one anorectal condition was identified. Condylomata were seen in 21 patients (52 percent), and in 11 these were associated with other pathologies. Fistulas and/or abscesses were identified in 15 patients (37 percent). Three had a "watering-can perineum," all without any identifiable predisposing factors. Nineteen patients had symptomatic hemorrhoids (seven), fissures (17), and/or perianal herpes infections (five), usually in combination with other lesions (89 percent). Three individuals developed neoplastic processes. Rectal disease was discovered in addition in nine patients. This included nonspecific proctitis in four, a rectal mass in four (polyps, two; rectal diverticulum, one; and Kaposi's sarcoma, one), and a nonspecific rectal ulcer in one. Four patients had other symptoms, including diarrhea, incontinence, soiling, frequency, and/or urgency, always in combination with other anal disorders. Seventy-one operative procedures were performed in 31 patients (78 percent). Only six (8 percent) of these were for diagnosis and biopsy alone. Mean follow-up was 15.5 months in the 23 patients followed for greater than one month. Only 6 of 23 (26 percent) had resolution of their problem. Nine (39 percent) developed new perianal conditions. Anorectal disorders are often seen in patients infected with HIV. They may be aggressive, cause significant morbidity, and be difficult to resolve.

Acquired Immunodeficiency Syndrome↗
PubMed1990

Seton management of complex anorectal fistulas in patients with Crohn's disease.

Anorectal fistulas associated with Crohn's disease are difficult to manage, particularly when the rectum is diseased. Significant morbidity has been associated with both medical and surgical therapy. Although conventional therapy is acceptable in the management of simple fistulas in Crohn's disease, these approaches often exacerbate rather than ameliorate problems in patients with complex fistulas. The authors report ten cases of complex fistulas in patients with Crohn's disease managed with their technique of long-term, indwelling setons. These setons are placed through the fistula tract and tied loosely to maintain the patency of the fistula without cutting through the sphincters. At the time of insertion, although abscesses are incised and drained, no attempt is made to divide the superficial tissues or sphincter overlying the fistulous tract. The patients ranged in age from 23 to 81 years and had a history of Crohn's disease for 1 to 20 years. All cases resulted in excellent palliation. No patient required a proximal colostomy. These patient have been followed for four months to seven years. Despite severe proctitis in six of these patients at the initial operation, no patient has required a proctectomy. The authors believe this technique achieves adequate palliation and should be employed as the procedure of choice in patients with complex anal fistulas associated with Crohn's disease.

Adult↗
PubMed1994

Local excision of rectal carcinoma. Early results with combined chemoradiation therapy using 5-fluorouracil and leucovorin.

PURPOSE: This study was undertaken to evaluate the treatment morbidity, functional outcome, and recurrence risk of patients undergoing local excision and combined chemoradiation therapy for rectal carcinoma. METHODS: Eighteen patients underwent local excision of their rectal carcinoma. Four patients underwent local excision alone (T1-2, N0-X, low risk), 10 patients underwent local excision with postoperative chemoradiation therapy using 5-fluorouracil and leucovorin (T1-2, N0-X, high risk), and 4 patients underwent local excision, chemoradiation therapy, and six months of additional 5-fluorouracil and leucovorin (T3 or N1). RESULTS: Of the four patients undergoing local excision alone, there was no treatment morbidity or alteration in functional outcome. Of the 14 patients receiving chemoradiation therapy, three reported early Grade 3-4 toxicity manifested by cystitis, proctitis, or perineal skin desquamation. At six months, two patients reported persistent rectal urgency and occasional fecal incontinence, and 11 patients reported increasing stool frequency (average, 3: range, 2-8). The six months of additional 5-fluorouracil and leucovorin were well tolerated and did not appear to further affect functional outcome. There were no local recurrences, although one patient developed distant metastatic disease. CONCLUSION: This treatment regimen, while generally well tolerated, is associated with significant acute toxicity in certain patients. We have identified specific causative factors which can be modified to decrease acute morbidity, including the elimination of leucovorin during the combined chemoradiation therapy.

Adenocarcinoma↗
PubMed1996

Selective preservation of the anal transition zone in ileoanal pouch procedures.

PURPOSE: A prospective trial was conducted to evaluate use of certain preoperative criteria in the choice of operative technique for ileal pouch-anal anastomosis (IPAA). Handsewn vs. stapled anastomotic techniques were compared as was preservation vs. excision of the anal transition zone (ATZ). METHODS: Over an 18-month period, 40 consecutive patients underwent restorative proctocolectomy with IPAA for ulcerative colitis (31 cases) or familial adenomatous polyposis (9 cases). In 28 patients, ATZ was completely excised, by either a transanal mucosectomy with handsewn anastomosis (Group I, 13 cases) or by double-stapled technique (Group II, 15 cases). The ATZ was preserved and the anastomosis was double-stapled in colitis patients with suboptimum sphincter function and/or greater than 50 years of age in the absence of dysplasia or severe distal proctitis (Group III, 12 cases). RESULTS: Groups I and II patients were homogeneous in their preoperative variables and had equivalent functional outcome. Group III patients were older (P = 0.0001), with weaker preoperative anal sphincter resting tone (P = 0.024). Compared with Groups I and II, patients in Group III had significantly greater 24-hour stool frequency (P = 0.0056), daytime stool frequency (P = 0.0125), and incidence of daytime fecal seepage (P = 0.007). There was no significant difference in other outcome variables in Group III patients. There was no difference in morbidity in the three groups. CONCLUSIONS: Transanal mucosectomy with handsewn anastomosis provided early functional results equivalent to low anal transection with double-stapled IPAA in younger patients with excellent preoperative sphincter function. A double-stapled technique with preservation of the ATZ may be reserved for older patients, with poorer anal sphincter function, at minimum dysplasia/cancer risk, to optimize continence figures.

Adenomatous Polyposis Coli↗
PubMed1995

Influence of intestinal inflammation (IBD) and small and large bowel length on fecal short-chain fatty acids and lactate.

Treatment with short-chain fatty acids (SCFAs) seems promising in ulcerative colitis and changes in colonocyte oxidation of butyrate have been suggested to be of importance for the development of this disease. The influence of small and large bowel length after surgery on SCFAs is only partly known. SCFAs and lactate were measured in consecutive fecal samples from 300 patients with ulcerative colitis (103), Crohn's disease (127), and noninflammatory bowel disease (70); 205 had had surgery, 52 had short bowels (< 200 cm). Lactate (mainly the L-isomer) was elevated in ulcerative colitis patients with pancolitis (mean +/- SEM, 17 +/- 5 mmol/liter) and proctitis (12 +/- 3 mmol/liter) compared with quiescent ulcerative colitis (3 +/- 1 mmol/liter, P < 0.01), and correlated with the index of Truelove (R = 0.52, P < 0.0005). Lactate was also increased in Crohn's colitis (21 +/- 8 mmol/liter), but not in isolated ileitis (4 +/- 2 mmol/liter), compared with quiescent Crohn's disease (7 +/- 2 mmol/liter, P < 0.02), but did not correlate with the activity index (CDAI; R = 0.18, P = 0.12). In contrast to earlier reports, SCFAs (including butyrate) did not correlate with inflammatory activity or localization in either ulcerative colitis or Crohn's disease. The length of the small bowel had no influence on SCFAs and lactate in patients with either no colonic function (ileostomies), or with > 50% and < 50% preserved colorectal length, respectively.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed1996

Long-term seton drainage for high anal fistulas in Crohn's disease--a sphincter-saving operation?

METHODS: Forty-one consecutive patients with Crohn's disease who underwent long-term seton drainage for high transsphincteric, suprasphincteric, or extrasphincteric anal fistula from 1985 to 1993 were reviewed. The subsequent associated procedure was simple seton removal (18), secondary fistulotomy (7), rectal flap advancement (3), and proctectomy (2). Eleven patients still had the seton in place. RESULTS: Recurrence developed in seven patients (39 percent) undergoing simple seton removal and in one patient undergoing rectal flap advancement. None of the patients treated by secondary fistulotomy developed a recurrence. At the end of follow-up, five patients (12 percent) required proctectomy mainly for severe proctitis, and five patients (12 percent) developed anal incontinence, which was severe in two. CONCLUSION: Long-term seton drainage for high and fistula in Crohn's disease is efficacious in both treating sepsis and preserving anal sphincter function.

Adolescent↗
PubMed1990

Sexually transmitted diseases of the colon, rectum, and anus. The challenge of the nineties.

During the past two decades, an explosive growth in both the prevalence and types of sexually transmitted diseases has occurred. Up to 55 percent of homosexual men with anorectal complaints have gonorrhea; 80 percent of the patients with syphilis are homosexuals. Chlamydia is found in 15 percent of asymptomatic homosexual men, and up to one third of homosexuals have active anorectal herpes simplex virus. In addition, a host of parasites, bacterial, viral, and protozoan are all rampant in the homosexual population. Furthermore, the global epidemic of AIDS has produced a plethora of colorectal manifestations. Acute cytomegalovirus ileocolitis is the most common indication for emergency abdominal surgery in the homosexual AIDS population. Along with cryptosporidia and isospora, the patient may present to the colorectal surgeon with bloody diarrhea and weight loss before the diagnosis of human immunodeficiency virus (HIV) disease. Other patients may present with colorectal Kaposi's sarcoma or anorectal lymphoma, and consequently will be found to have seropositivity for HIV. However, in addition to these protean manifestations, one third of patients with AIDS consult the colorectal surgeon with either condylomata acuminata, anorectal sepsis, or proctitis before the diagnosis of HIV disease. Although aggressive anorectal surgery is associated with reasonable surgical results in some asymptomatic HIV positive patients, the same procedures in AIDS (symptomatic HIV positive) patients will often be met with disastrous results. It is incumbent upon the surgeon, therefore, to recognize the manifestations of HIV disease and diagnose these conditions accordingly.

Acquired Immunodeficiency Syndrome↗
PubMed1998

New method of radiotherapy for anal cancer with three-dimensional tumor reconstruction based on endoanal ultrasound and ultrasound-guided afterloading therapy.

PURPOSE: Standard treatment of anal cancer is a protocol of combined chemotherapy and percutaneous radiotherapy. We developed a new endosonography-based radiation target simulation method, because endoanal sonography gives the best opportunity to stage the tumor accurately. Based on this method, an afterloading needle application procedure could be performed to optimize the radiation target geometry and to control the application of afterloading needles. In a prospective study, this new method was evaluated, with special regard for complications and tumor recurrence. METHODS: Anal cancer was restaged endosonographically six weeks after external beam radiation with 45 Gy. A computer-generated three-dimensional reconstruction of the tumor and radiation target simulation was performed based on endoanal sonographic imaging. By using a new type of applicator, which is permeable to ultrasound waves, the transperineal implantation procedure of afterloading needles could be controlled. Application needles were inserted into the target area according to the endoanal sonography-based dosimetry planing. The dose of the (high-dose rate) brachytherapy boost was started with two 6-Gy fractions, each within eight days. The fraction dose was reduced to 4 Gy to minimize side effects. Lymph node-positive tumors got additional chemotherapy (5-fluorouracil and mitomycin C). RESULTS: From January 1992 until August 1996, we performed 42 endosonography-guided afterloading procedures in 18 patients. One patient underwent percutaneous radiation two years before and was treated only by afterloading radiation. In every patient, we found complete tumor remission at the end of radiotherapy. Three patients with a high-dose rate of 2 x 6 Gy developed radiogenic proctitis, and two patients developed ulceration, which lead to reduction of the dose. After reduction to 4 Gy per fraction, no more side effects could be seen. In follow-up (median, 24 (range, 1-56) months), we detected two anal cancer recurrences (2/18 patients). CONCLUSION: The radiation target field can be optimized by individual endosonography-based three-dimensional tumor reconstruction and radiotherapy simulation. Endosonography-guided transperineal implantation of afterloading needles can be performed according to the computer-generated simulation by using a new type of applicator. We could achieve total primary tumor remission in every patient. After reduction of the afterloading dose to 2 x 4 Gy, no brachytherapy-related side effects could be seen.

Aged↗
PubMed1992

Abdominopelvic omentopexy: preparatory procedure for radiotherapy in rectal cancer.

Adjuvant radiotherapy (RT) in adenocarcinoma of the rectum requires the application of between 5,500 and 6,600 cGy, while the small bowel does not tolerate doses beyond 4,200 cGy without developing enteritis, often followed by stenosis, fistulas, or perforation. This has spurred several attempts to form an artificial diaphragm between the abdominal cavity and the true pelvis, but they were all burdened with various sequelae. Thus, we developed a simple technique to retain the small bowel out of the RT target volume. From the greater omentum we form a bag, which houses the intestinal loops. The lower margin of the omentum is attached to the parietal peritoneum of the posterior abdominal wall beyond the promontorium. The lateral edges are sutured to the ascending and descending colon. RT starts immediately after the laparotomy wound has healed. With the help of this abdominopelvic omentopexy, we have performed high-dose RT following tumor resection in 43 patients. RT was free of complications in all of them as far as the small bowel is concerned. Proctitis and/or cystitis occurred in 14 patients.

Abdomen↗
PubMed1992

Outcome of ileorectal anastomosis for Crohn's colitis.

One hundred thirty-one patients underwent ileorectal anastomosis (IRA) for Crohn's colitis. Preoperatively, 84 patients (63 percent) were found to have mild or moderate proctitis and 47 (37 percent) had rectal sparing. Sixty-eight (52 percent) had associated small bowel disease, and 20 (15 percent) had perianal disease. Sixty-five IRAs were performed at the time of subtotal colectomy, while 56 were done after previous surgery. Anastomotic leaks occurred in four patients. There were no operative deaths. Thirteen patients (10 percent) with protecting stomas never underwent closure. Among the remaining 118 patients with functioning IRAs, 30 (23 percent) required later proctectomy and 16 (13 percent) required proximal diversion, with the mean period with a functioning IRA in these 46 patients being 4.1 years (range, 6.2 months-12.7 years). An additional 13 patients required preanastomotic resection and neo-IRA, and 11 required proximal small bowel resection. The mean duration of function of all 118 IRAs was 9.2 years. At the time of review, after a mean follow-up of 9.5 years, 72 patients (61 percent) retained a functioning IRA, with 44 being free of disease, while 28 were being treated with steroids or antidiarrheal medication. The mean stool frequency was 4.7 per day. In patients with Crohn's colitis, IRA should be considered as an alternative to proctocolectomy if the rectum is not severely diseased and sphincter function is not compromised.

Adolescent↗
PubMed1992

Short-chain fatty acid enemas: a cost-effective alternative in the treatment of nonspecific proctosigmoiditis.

The purpose of this study was to perform a randomized, prospective comparison of corticosteroid enemas (CS--100 mg of hydrocortisone/60 cc P.R. q.h.s.; n = 12), mesalamine enemas (5-ASA--4 g/60 cc P.R. q.h.s.; n = 19), and short-chain fatty acid enemas (SCFA--60 cc P.R. b.i.d.; n = 14) for the treatment of proctosigmoiditis. Patients presenting to the Ferguson Clinic with the diagnosis of idiopathic proctosigmoiditis were evaluated for age, sex, prior history of proctitis, duration of symptoms prior to presentation, endoscopic scoring, and mucosal biopsies. Clinical evaluation was performed at two-week intervals for six weeks, with repeat biopsies taken at six weeks. There was no significant difference with respect to age, male/female ratio, past history of proctosigmoiditis, length of colorectum involved at the time of initial presentation, symptom resolution, and endoscopic and histologic improvement among the three treatment groups. Recovery occurred in a similar proportion in each of the three groups: CS, 10/12; 5-ASA, 17/19; and SCFA, 12/14. The cost of six weeks of treatment was: CS, $71.82; 5-ASA, $347.28; and SCFA, $31.50. This study indicates that SCFA enemas are equally efficacious to CS or 5-ASA enemas for the treatment of proctosigmoiditis at a significant cost savings.

Adult↗
PubMed2006

Treatment planning and dosimetry of a multi-axis dynamic arc technique for prostate cancer: A comparison with IMRT.

PURPOSE: Intensity-modulated radiation therapy (IMRT) allows greater dose conformity to the tumor target. However, IMRT, especially static delivery, usually requires more time to deliver a dose fraction than conventional external beam radiotherapy (EBRT). The authors have been using a "two-axis dynamic arc therapy" (2A-DAT) technique for prostate cancer treatment to make a concave dose distribution to spare the rectum and bladder while working with limited time and human resources. The objectives of this study were to (1) clinically implement the 2A-DAT technique, (2) evaluate the dosimetry in comparison with IMRT, and (3) analyze the initial treatment outcome. MATERIALS AND METHODS: The 2A-DAT consists of two dynamic arc therapies (DATs) with half rotation around two isocenters each in two separate symmetrical rhombi. Treatment planning is forward and on a trial-and-error basis. Thirty-four patients received 2A-DAT with a median prescribed dose of 70 Gy. RESULTS: Although inferior in dose uniformity, the 2A-DAT provided equivalent sparing of normal structures to IMRT. Daily fraction delivery time for the 34 patients ranged from 6.4 to 9.6 minutes, with an average of 7.4 minutes. Five-year survival and five-year prostate specific autigen (PSA) failure-free survival were 89.3% and 79.5%, respectively. Three patients developed grade 2 proctitis. CONCLUSION: This technique is a possible alternative to IMRT in EBRT of prostate cancer.

Aged↗