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PubMed2004

The posterior sagittal trans-sphincteric approach.

The posterior sagittal, transphincteric approach to treat different pelvic problems has been known since last century. Although some surgeons have embraced it and have enthusiastically advocated it s use, it has never become an overly popular technique. The purpose of this study is to evaluate the advantages and disadvantages of the approach, both from an historical perspective and from the authors experience. The international literature on the subject was reviewed since 1877 up to the present date. A retrospective evaluation of the authors experience was conducted, and the results reviewed. Specific attention was paid to the final result obtained in the treatment of the original condition, surgical complications and the effect of the surgical approach on bowel and urinary control. The experiential review included 114 cases. They were divided into two groups. A included 85 patients who underwent a posterior sagittal transphincteric approach that included 49 cases of Hirschsprung s disease (primary 21, secondary 28), 15 presacral masses; 10 rectaltumors; 7 acquired recto-genito-urinary fistulae; and 4 cases of idiopathic rectal prolapse. Group B included 29 patients who underwent a posterior sagittal trans-anorectal approach, in which the anterior wall of the rectum and the sphincter was divided as well.. This group included 12 cases of urogenital sinuses; 8 acquired urethral stricture or atresia after trauma; and 9 posterior urethral masses. Post-operative bowel control was normal all cases except in those patients whose basic condition had resulted in fecal incontinence, or who had sustained an irreversible injury prior tothe operation. Urinary control was normal except in cases with pre-operative incontinence. Complications included recurrence of recto-genitourinary fistulae in 3 cases, recto-cutaneous fistula in 3 Hirschsprung s patients and 2 partial wound dehisences. The posterior sagittal trans-sphincteric approach represents a useful technical alternative. It seems to be particularly useful to treat complications after surgery for Hirschsprung s disease, pre-sacral masses, acquired recto-genito-urinary fistula and idiopathic rectal prolapse. The transanorectal approach provides excellent exposure to the posterior urethra and vagina. Boweland urinary control are not compromised.

Adolescent↗
PubMed1985

Intra-abdominal complications of cystic fibrosis.

In recent years patients with cystic fibrosis (CF) have experienced longterm survival and have demonstrated a number of intra-abdominal complications. This report evaluates the intra-abdominal complications seen in 69 of 189 children with cystic fibrosis from 1972 to 1983. Forty-one patients were boys and twenty-eight girls. Complications occurred in 36 neonates, with meconium ileus (MI) noted in 33 and giant cystic meconium peritonitis (GCMP) in 3. Meconium ileus equivalent occurred in seven older children presenting with bowel obstruction. In addition, rectal prolapse occurred in 12, inguinal hernia in 10, intussusception in 3, cholelithiasis in 3, GE reflux in 4, stress ulcer in 1 and appendicitis in 1. Three infants with GCMP survived resection and enterostomy. Infants with MI were divided into simple (15) or complicated (18) cases. Nonoperative therapy using gastrografin enema was successful in three of eight with simple MI. Operative enterotomy and irrigation was successful in three cases while resection and enterostomy was done in nine. MI was complicated by atresia, volvulus and/or perforation in 18 cases requiring resection and anastomosis or enterostomy. Survival for MI was 86% compared to 36% in 25 MI patients treated in the previous two decades. Meconium ileus equivalent was successfully managed using gastrografin enema in five of seven children. Only 3 of 12 children with rectal prolapse required repair. Two cases of intussusception were reduced while one required resection. Three of 10 children had hernia recurrence due to chronic pulmonary problems.(ABSTRACT TRUNCATED AT 250 WORDS)

Abdomen↗
PubMed1993

Perineal rectosigmoidectomy in the elderly.

Between April 1989 and October 1991, 20 consecutive patients underwent perineal rectosigmoidectomy and coloanal anastomosis for full-thickness rectal prolapse. These 16 females and 4 males, with a mean age of 82 (range, 68-101) years, were evaluated by detailed functional assessment and physiologic testing. A grading scale from 0 to 24 was based upon the frequency and type of incontinence, 0 representing full continence. The mean preoperative continence score was 14.5, while the mean postoperative continence score was 8.4. The mean length of resected rectosigmoid was 23 cm. There was one postoperative death and one significant complication, a postoperative pelvic hematoma that required reoperation. There were no full-thickness recurrences at a mean follow-up of 26 months. Six of the 10 patients who underwent preoperative pudendal nerve terminal motor latency (PNTML) testing had evidence of severe neuropathy (latencies greater than 2.5 milliseconds). Prolonged PNTML, however, was not shown to be an accurate predictor of postoperative incontinence because four of the six patients with neuropathy regained excellent to good control. In conclusion, perineal rectosigmoidectomy is a safe operation for the treatment of full-thickness rectal prolapse in the elderly patient. Improved postoperative continence was noted in 90 percent of patients, with improvement seen even in those patients with severe pudendal neuropathy.

Aged↗
PubMed1995

Laparoscopic-assisted vs. open resection. Rectopexy offers excellent results.

PURPOSE: Anterior resection +/- rectopexy effectively manages full-thickness rectal prolapse; however, morbidity is approximately 15 percent mainly because of the laparotomy wound. There has been no comparison of laparoscopic with laparotomy approaches to the repair of this disorder. The purpose of this paper is to compare an age/sex-matched series of laparoscopic-assisted (n = 8) with laparotomy (n = 10) resections/rectopexies. METHODS: A retrospective case review of laparoscopic-assisted (n = 8) vs. laparotomy (n = 10) resections/rectopexies from May 1989 to September 1993 was performed. Data collected included age, gender, technique, operative blood loss, operative time, length of bowel resected, length of hospital stay, return of bowel function, oral intake, and postoperative complications. RESULTS: No significant difference was noted in age, sex, length of bowel resected, mortality, significant morbidity, or recurrence (mean follow-up, 27.1 +/- 4.4 months) in either group. Estimated blood loss for the laparotomy group was greater than for the laparoscopic group (285.0 +/- 35.0 vs. 184.4 +/- 31.0 ml). Operative time was greater for the laparoscopic group (177.1 +/- 23.0 vs. 86.5 +/- 8.6 min). Length of stay (95.0 +/- 16.7 vs. 183.5 +/- 8.9 hours), time to passage of flatus (3.9 +/- 1.1 vs. 2.8 +/- 1.9 days), and resumption of oral intake (4.5 +/- 0.7 vs. 2.8 +/- 1.9 days) occurred earlier for the laparoscopic group. CONCLUSION: Therefore, laparoscopic-assisted resection/rectopexy effectively treats rectal prolapse without the morbidity of the laparotomy wound and significantly shortens hospitalization for this benign disease.

Anastomosis, Surgical↗
PubMed2005

Overdose during chemical restraint in a black rhinoceros (Diceros bicornis).

A juvenile female black rhinoceros (Diceros bicornis) was successfully treated after overdose of drugs used for chemical restraint. Subsequent general anaesthesia for surgical reduction of a recurrent rectal prolapse was uneventful. Over a 25-minute period before transportation to the veterinary hospital, the animal received a total dose of 1.225 mg etorphine, 30 mg acepromazine and 30 mg detomidine. Based on an estimated mass of 200 kg, these corresponded to doses of 6.1 microg kg(-1) etorphine, 150 microg kg(-1) acepromazine, and 150 microg kg(-1) detomidine which constitutes considerable overdose for each drug given separately, notwithstanding the synergy that probably resulted when the three drugs were present concurrently. The estimated body mass may have substantially overestimated the actual body mass and exacerbated overdosage. The animal was recumbent and apnoeic on arrival at the hospital. Heart sounds were auscultated and a weak peripheral pulse was palpated; no pulse deficits were detected, although the heart rate was low. The trachea was intubated, inspired breath was enriched with oxygen and the lungs ventilated manually. Diprenorphine (1.5 mg) was given intravenously and spontaneous breathing resumed 11 minutes later. After induction of general anaesthesia using isoflurane, emergency surgery for correction of rectal prolapse was performed, from which the animal recovered uneventfully. The case highlights some of the practical problems that may be encountered in dealing with dangerous and unfamiliar species.

Acepromazine↗
PubMed1997

Variation in pudendal nerve terminal motor latency according to disease.

PURPOSE: The aims of this study were first to establish whether any difference among pudendal nerve terminal motor latency (PNTML) values exists relative to diagnosis, second to determine whether left and right latencies are similar, and third to assess any correlation between age and neuropathy. Latency was elicited three times on each side, and an average latency was recorded as a result. MATERIALS AND METHODS: Between June 1989 and April 1995, 1,026 patients (775 females and 251 males) underwent PNTML study. These patients were divided into four groups according to diagnosis: Group I, fecal incontinence; Group II, chronic constipation; Group III, idiopathic rectal pain; Group IV, rectal prolapse. Overall mean age was 61.5 (range, 6-95) years. Student's t-test was used to calculate statistical differences. Patients were then analyzed according to age and gender. Correlation was calculated with the nonparametric Mann-Whitney U test. RESULTS: Unilateral or bilateral prolongation of PNTML was noted in 90 patients (21.2 percent) in Group I, 80 (20.4 percent) in Group II, 22 (18.1 percent) in Group III, and 38 (42.6 percent) in Group IV. Average PNTML on the left side was 1.88 ms in Group I, 1.94 ms in Group II, 1.98 ms in Group III, and 2.12 ms in Group IV. Average PNTML on the right side was 1.85 ms in Group I, 1.94 ms in Group II, 1.99 ms in Group III, and 2.07 ms in Group IV. The only statistically significant differences in PNTML were between Groups I and IV (left, P < 0.005; right, < 0.05) and between females and males (P < 0.0001). CONCLUSION: There is no statistically significant difference between latencies of left and right pudendal nerves. Similarly, there are no statistically significant differences among patients with fecal incontinence, chronic constipation, or chronic idiopathic rectal pain. Normal latency can be expected in patients with constipation or fecal incontinence. However, patients with rectal prolapse have a more prolonged PNTML. Age is correlated with a higher incidence of pudendal neuropathy. This study reveals significant overlap among PNTML values and diagnosis.

Adolescent↗
PubMed1992

Anterior perineal approach and three-flap anoplasty for imperforate anus: optimal reconstruction with minimal destruction.

Despite progress in the treatment of imperforate anus, anal stenosis, rectal prolapse, and other late complications may still arise. In 1987, we described the three-flap anoplasty for the treatment of rectal prolapse following pull-through operations. Since 1986, we have performed 14 three-flap anoplasties in combination with an anterior perineal rectal pull-through for primary treatment of imperforate anus. The mean age at definitive repair was 4.4 months (range, 0 to 14 months). Eleven of the 14 primary pull-through procedures could be performed through a perineal approach only. There were no deaths. At a mean follow-up of 24.2 months, none of the patients has developed prolapse, and only one has had a temporary stenosis. Three children are already fully continent, and soiling is absent in 12. All have a good sphincter tone. Although it is too early to evaluate long-term results, it appears that the three-flap anoplasty prevents mucosal prolapse through the interposition of a skin-lined anal canal. Moreover, a combination of this technique with the anterior perineal approach provides an excellent exposure with minimal dissection of the perineal and pelvic musculature and allows for easy and safe pull-through of the rectal pouch, making an abdominal counterincision unnecessary in most cases. It reproduces at the same time a normal anatomy while taking advantage of all existing structures.

Anal Canal↗
PubMed1999

[Laparoscopic therapy of chronic constipation].

Chronic constipation is a common complaint. Clinical presentation varies with each individual. This study reports the results of laparoscopic therapy in 92 patients with chronic constipation. In two patients conversion was necessary. The majority of patients were female (n = 84, 93.3%). Mean age was 60.3 years (+/- 15.7). In three patients with slow-transit constipation a laparoscopic assisted subtotal colectomy was performed. In patients with outlet obstruction a laparoscopic assisted sigmoid resection was carried out, whereas in 79 a rectopexy with reconstruction of the pouch of douglas was added. In 6 of 8 patients with concomitting diverticulitis an anterior resection was necessary. Mean stay on ICU was 0.5 days. OR time ranged from 100 up to 490 minutes. In 21 patients (23.4%) postoperative complications were observed; however only in 7.8% (n = 7) this lead to additional surgical intervention. The postoperative follow-up is 24 months (6-52 mon). In 76.3% of patients with outlet obstruction and rectal prolapse chronic constipation postoperatively improved or patients felt "symptomfree". In patients with outlet obstruction but without rectal prolapse constipation postoperatively was better in 75.8%. After subtotal colectomy 2 of 3 patients (66%) felt cured after surgery. Careful patients selection by thorough preoperative physiologic testing is mandatory for successful outcome in surgery of chronic constipation. Based on this by laparoscopic surgery same functional results as with conventional open technique could be achieved.

Adult↗
PubMed1992

Cystic fibrosis: gastrointestinal complications.

An individual who has cystic fibrosis (CF) may suffer from gastrointestinal problems related to inadequately controlled intestinal absorption secondary to the pancreatic insufficiency. These include neonatal meconium ileus, distal intestinal obstruction syndrome (DIOS), constipation and acquired megacolon, rectal prolapse and rarely pancreatitis. If the intestinal malabsorption is well controlled with an effective pancreatic enzyme preparation, DIOS, constipation and rectal prolapse are infrequent. Persisting gastrointestinal symptoms should be investigated thoroughly to exclude other disorders not directly related to the cystic fibrosis; these include cows' milk intolerance, coeliac disease, giardiasis, Crohn's disease and intra-abdominal malignancy. Both appendicitis and intussusception may cause difficult diagnostic problems particularly in patients who may also have distal ileal obstruction syndrome.

Cystic Fibrosis↗
PubMed2006

IL-10-deficiency unmasks unique immune system defects and reveals differential regulation of organ-specific autoimmunity in non-obese diabetic mice.

Interleukin (IL)-10 is a potent anti-inflammatory cytokine and ablation of IL-10 exacerbates Th1-type autoimmune diseases. Even though type 1 diabetes (T1D) in NOD mice is believed to be Th1-mediated, the incidence and severity of T1D is unaltered in IL-10-deficient NOD mice raised under pathogen-free conditions. We describe for the first time, the outcome of IL-10 deficiency on islet and other organ-specific autoimmunity in NOD mice raised in a conventional facility. IL-10-deficient NOD mice under such conditions were protected from spontaneous as well as cyclophosphamide-induced diabetes, but were susceptible to diabetes induced by adoptive transfer of splenocytes from spontaneously diabetic NOD mice. Whereas the incidence of rectal prolapse was very high in this NOD.IL-10(-/-) mouse colony, IL-10-deficient C57Bl/6 mice raised under similar conditions seldom developed rectal prolapse. While injection of complete Freund's adjuvant (CFA) significantly reduced insulitis, it did not ameliorate colitis in IL-10-deficient NOD mice indicating differential regulation of organ-specific autoimmunity by CFA. Phenotypic characterization of IL-10(-/-) mice revealed a significant increase in splenic macrophage numbers in NOD but not on the B6 background. This was accompanied by a heightened systemic inflammatory cytokine response and mortality following in vivo challenge with a toll-like receptor 9 agonist, CpG-containing DNA.

Animals↗
PubMed2000

Effects of rectal mobilization and lateral ligaments division on colonic and anorectal function.

PURPOSE: Colonic and anorectal function are altered after posterior rectopexy. The aim of this randomized, prospective study was to evaluate the effects of rectal mobilization and division of the lateral ligaments on colonic and anorectal function. METHODS: Posterior rectopexy was performed in 18 patients with complete rectal prolapse. Anal manometry and measurement of rectal compliance, total and segmental colonic transit time, constipation score, and defecation frequency were performed preoperatively and three months postoperatively. Ligaments were divided in ten patients. RESULTS: Mean preoperative total transit time was similar between the two patient groups and doubled postoperatively (P = 0.03). Mean postoperative segmental transit time increased by a factor of 1.7 in segments I (ascending colon) and II (descending colon) and by a factor of 2.3 in segment III (rectosigmoid). The same pattern was found in both groups. Mean resting pressure decreased after division of the lateral ligaments and increased after preservation. Mean rectal compliance decreased after division of the ligaments and increased when they were preserved. Mean postoperative constipation score differed little from the preoperative score. Mean defecation frequency was decreased in the group with the ligaments preserved and increased in the group with the ligaments divided. None of the effects of rectal mobilization or division of the lateral ligaments on anorectal function reached statistical significance. CONCLUSION: Rectal mobilization had a statistically significant effect on colonic function. Total and segmental colonic transit times doubled. The effects on anorectal function were not significant. Division of the lateral ligaments did not significantly influence postoperative functional outcome.

Adult↗
PubMed1996

Critical analysis of the operative treatment of Hirschsprung's disease.

OBJECTIVE: To critically analyze complications and long-term results of the operative treatment of Hirschsprung's disease. DESIGN: Medical records of patients with Hirschsprung's disease were reviewed retrospectively. Follow-up was obtained using a standardized telephone questionnaire. SETTING: Major pediatric referral center. PATIENTS: Eighty-two infants and children (68 boys, 14 girls) were treated for Hirschsprung's disease during a 20-year period (1975 to 1994). The age at diagnosis was younger than 30 days in 47 neonates (57%), 30 days to 1 year in 22 infants (27%), and older than 1 year in 13 children (16%). Aganglionosis was limited to the rectosigmoid region in 66 patients (81%). Fifty-five Soave (endorectal) and 27 Duhamel (retrorectal) primary pull-through operations were performed. MAIN OUTCOME MEASURES: Postoperative complications, reoperations, hospitalization, and current bowel habits. RESULTS: Eighteen children (67%) undergoing the Duhamel operation recovered uneventfully compared with 33 children (60%) undergoing the Soave operation. The complications following the Duhamel operation included enterocolitis in five cases (19%), rectal achalasia in four cases (15%), and persistent rectal septum in two cases (7%). Additional operations, which included myomectomy, rectal septum division, diverting enterostomy, and sphincterotomy, were required in seven patients (26%). Only one patient required more than one reoperation. In contrast, complications following the Soave operation included enterocolitis in 15 cases (27%), rectal stenosis in 12 (22%), anastomotic leak in four (7%), late perirectal fistula in three (5%), rectal prolapse in one (2%), and recurrent severe constipation in one (2%). Sixteen patients (29%) required additional operations, including diverting enterostomy, myomectomy, redo pull-through, sphincterotomy, fistulectomy, and revision of rectal prolapse. In this group nearly two reoperative procedures per patient were required. Telephone follow-up (mean, 89.3 months) after pull-through operations in 61 patients (74%) showed a mean of 2.8 stools per day, with 13 patients (21%) requiring daily medications. CONCLUSIONS: The most common operations (Soave and Duhamel) for Hirschsprung's disease result in an uneventful recovery in only 60% to 67% of patients. Although both Soave and Duhamel pull-through operations have nearly identical reoperation rates (26% vs 29%), complications after Soave pull-through operations often require multiple, more extensive procedures. Short-term total continence rates for both procedures are less than 50%, however, 100% became continent by 15 years after the pull-through procedure. Further refinement in operative technique and close follow-up are warranted.

Anastomosis, Surgical↗
PubMed1995

Evacuation proctography in patients with solitary rectal ulcer syndrome: anatomic abnormalities and frequency of impaired emptying and prolapse.

OBJECTIVE: Solitary rectal ulcer syndrome is characterized by rectal bleeding, tenesmus, and difficult evacuation. Evacuation proctography can be used in patients with solitary rectal ulcer syndrome to diagnose associated internal or external rectal prolapse and delayed or incomplete rectal emptying. The objective of this study was to determine the proctographic abnormalities and the frequency of rectal prolapse and incomplete or delayed emptying in a large group of patients with solitary rectal ulcer syndrome. MATERIALS AND METHODS: Proctographic examinations of 53 patients with histologically proved solitary rectal ulcer syndrome were reviewed retrospectively. Evacuation proctography was done by a standard technique. The rate and completeness of rectal emptying and structural abnormality of the rectum were recorded. Comparison was made with a control group of 20 subjects who had no anorectal symptoms. RESULTS: Fourteen patients (26%) with solitary rectal ulcer syndrome had rectal irregularity at rest compared with none in the control group. Rectal prolapse developed on evacuation in 36 patients (68%) with solitary rectal ulcer syndrome: internal prolapse in 24 patients (45%), and external prolapse in 12 (23%). Descent of the pelvic floor on evacuation was greater in the solitary rectal ulcer syndrome group (median, 4.4 cm; range, 0-10.0 cm) than in the control group (median, 3.3 cm; range, 0.6-5.3 cm; p = .006). Thickened rectal folds were seen in 11 (55%) of 20 patients with solitary rectal ulcer syndrome examined with posteroanterior proctography. Evacuation was prolonged and incomplete in patients with solitary rectal ulcer syndrome (median, 15 sec; range, 3-60 sec) compared with control subjects (median, 10 sec; range, 3-30 sec; p = .012). All control subjects evacuated more than two thirds of the contrast material in less than 30 sec compared with only 41 patients with solitary rectal ulcer syndrome (77%). Overall, evacuation proctography disclosed delayed or incomplete emptying and/or rectal prolapse in 40 patients (75%) with solitary rectal ulcer syndrome compared with two control subjects who showed low-grade internal rectal prolapse only (p < .0001). CONCLUSION: Solitary rectal ulcer syndrome is significantly associated with prolonged and incomplete evacuation and with an increased prevalence of internal and external rectal prolapse.

Adolescent↗
PubMed1977

Clinical manifestations of tansy ragwort poisoning.

The clinical signs of tansy ragwort poisoning are variable and in 5 cases included diarrhea, tenesmus, ascites, bloody feces, icterus, paresis, CNS involvement, rectal prolapse, poor appetite and weight loss. It is thus apparent that the disease can be confused clinically with many others, and tansy ragwort poisoning should be considered in animals exhibiting ascites, diarrhea and rectal prolapse. Several cases of tansy ragwort (Senecio jacobaea) poisoning occurring from 1969 to 1976 are reported to illustrate the numerous clinical pictures that might confront a practitioner. The disease is sporadic in this area. The poisonous principles in tansy ragwort are pyrrolizidine alkaloids, which cause gradual alteration and necrosis of liver cells with replacement by fibrous tissue. The development of signs in all of these cases could be attributed to failure of one or more liver functions.

Animals↗
PubMed1998

Spontaneous inflammatory bowel disease in multiple mutant mouse lines: association with colonization by Helicobacter hepaticus.

BACKGROUND: Both genetic and microbial factors are thought to play a role in the development of inflammatory bowel disease (IBD): however, no causative microbial agent has been clearly defined for humans or animals. Normal flora or previously unrecognized intestinal pathogens may contribute to the development of disease in susceptible hosts. A newly recognized murine Helicobacter, H. hepaticus, causes hepatitis in mice and in one strain of mice is linked to liver cancer. This study investigates the association between colonization of the lower intestinal tract of multiple genetically altered lines of mice with H. hepaticus, and the occurrence of IBD. MATERIALS AND METHODS: Rectal prolapse noted clinically in multiple genetically altered mouse lines was evaluated for the presence of H. hepaticus and histologic evidence of IBD. Fifty-five mice representing 11 different genetic alterations were evaluated. RESULTS: H. hepaticus was detected in 85% of mutant mice with rectal prolapse. Histologic evidence of proliferative typhlitis, colitis or proctitis was present in 65% of the animals examined, 89% of which were positive for H. hepaticus as detected by species specific PCR. CONCLUSION: The presence of H. hepaticus in association with IBD in multiple lines of genetically altered mice suggests further studies are needed to test experimentally the role H. hepaticus plays in the development of IBD in susceptible mice. Additionally, specific mutant mouse lines infected with H. hepaticus in this study may provide additional models for elucidation of microbial and genetic factors in the pathogenesis of IBD.

Animals↗
PubMed1996

[Digestive manifestations in hemolytic uremic syndrome in children].

BACKGROUND: Gastro-intestinal manifestations are relatively frequent during the course of hemolytic uremic syndrome (HUS), some of them requiring special supportive care. This work was aimed at retrospectively studing gastrointestinal manifestations of HUS and determining their place in the prognosis. PATIENTS: Thirty-seven children aged 4 months to 11 years (22 girls and 15 boys) were included in the study. RESULTS: All children but one had gastrointestinal prodromes. During the course of HUS, various manifestations were seen: bloody diarrhea in 32% of patients, ileo-ileal intussusception in 3%, rectal prolapse in 8% and hepatic cytolysis in 38%. Seven patients with bloody diarrhea had a complicated course, lethal in one. Comparison between these seven children and the 30 others revealed some indicators of severe gut involvement: female sex, short duration of gastrointestinal prodromes, hemorrhagic colitis with rectal prolapse, high WBC count, high neutrophils count and less important degree of anemia at admission. Severity of the gastrointestinal lesions was correlated with that of the outcome of the renal disease. CONCLUSION: Gastrointestinal tract is frequently affected in HUS and severe complications can appear, potentially leading to death. Total parenteral nutrition could prevent occurrence of gastrointestinal complications. Severe gastrointestinal lesions are associated with a poor renal outcome.

Child↗
PubMed1988

Protruded variants in solitary ulcer syndrome of the rectum.

A review of 21 patients with protruded lesions in solitary ulcer syndrome of the rectum confirmed by resection is presented. Symptoms were usually the passage of blood and mucus per rectum, alteration of bowel habit, anorectal pain and rectal prolapse. Solitary or multiple polypoid lesions were found within 15 cm of the anal margin and were usually sited anteriorly. Fifteen of the patients were men and 8 were women with a mean age of 37.1 years. The diagnosis was made on the basis of histopathology; 1) fibrous obliteration of muscle fibers, 2) reactive hyperplasia of the mucous membrane with villous configuration or mild pseudoinvasion. These changes have been observed in complete rectal prolapse, colonic intussusception, and localized colitis cystica profunda, suggesting a common pathogenesis. The histological findings were almost the same as in the ulcerative lesions of this syndrome except for remarkable regenerative hyperplastic changes such as a relatively high incidence of mucous cell proliferation, dilatation of glands and serrate change in the cases showing protrusion. In the pathogenesis, the occult mucosal prolapse in association with excessive straining may be of particular importance, so that the lesions might be termed mucosal prolapse syndrome of the rectum.

Adolescent↗