Abstract:
:The role of the anorectal band in the genesis of hemorrhoids is studied. The anorectal band is a fibroepithelial tube which is a remnant of the anorectal sinus. Seventy-six hemorrhoid patients and 32 controls were studied. Rectal neck pressure recording was done for all subjects. Two biopsies were taken from the lower rectal neck of each individual of the hemorrhoid and the control group, and were examined microscopically. Rectal neck pressure was measured in 67 patients of the hemorrhoid group after internal sphincterotomy. The mean rectal neck pressure in the hemorrhoid patients was significantly higher than the controls. Postoperative pressure measurement showed normal values. Microscopic examination of the rectal neck specimens revealed the presence of fibrous bands in the lower rectal neck submucosa of all hemorrhoid patients and in only one control subject. Evidence suggests that this fibrous band is the anorectal band which is an embryonic vestige. A new theory of the pathogenesis of hemorrhoids is presented. Evidence in support of the theory is also shown. The treatment of hemorrhoids in view of this theory is discussed.
journal_name
J Clin Gastroenteroljournal_title
Journal of clinical gastroenterologyauthors
Shafik Adoi
10.1097/00004836-198404000-00006subject
Has Abstractpub_date
1984-04-01 00:00:00pages
129-37issue
2eissn
0192-0790issn
1539-2031journal_volume
6pub_type
杂志文章abstract:GOALS:Despite a high success rate, pneumatic dilatation for achalasia is accompanied by a significant risk of esophageal perforation. Injection of botulinum toxin (botox) into the lower esophageal sphincter (LES) can lead to improvement in symptoms with reduced risk of complications. Direct comparisons of the two techn...
journal_title:Journal of clinical gastroenterology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00004836-200303000-00005
更新日期:2003-03-01 00:00:00
abstract:BACKGROUND:An association between Helicobacter pylori infection and colorectal neoplasia has been reported in cross-sectional studies. GOALS:We examined the association between H. pylori infection and the development of advanced colorectal neoplasia (AN) in a screening cohort. STUDY:We identified 3753 adults, who und...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/MCG.0000000000001273
更新日期:2020-09-01 00:00:00
abstract::Over a 3-year period, arteriovenous malformations (angiodysplasia) were identified at upper gastrointestinal endoscopy in 41 patients. The lesions were multiple in one-third of patients and were predominantly situated in the proximal stomach. We considered angiodysplasia to be the cause of upper gastrointestinal bleed...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/00004836-198608000-00004
更新日期:1986-08-01 00:00:00
abstract::In the current COVID-19 pandemic, there has been concern regarding the use of ibuprofen and other nonsteroidal anti-inflammatory agents by COVID-19 infected patients. Aminosalicylates (5-ASAs) are structurally similar and have anti-inflammatory functions that resemble those of nonsteroidal anti-inflammatory agents. Si...
journal_title:Journal of clinical gastroenterology
pub_type: 评论,杂志文章
doi:10.1097/MCG.0000000000001371
更新日期:2020-08-01 00:00:00
abstract::There is now a plethora of methods to diagnose colonization of the human stomach with Campylobacter pylori, such as microbiological culture on various media, identification of C. pylori in biopsies or biopsy smears using various stains or neurological methods, serological demonstration of specific anti-C. pylori antib...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:
更新日期:1989-01-01 00:00:00
abstract::The synthesis of prostaglandin E2 (PGE2) and leukotriene B4 (LTB4) in colonic mucosal cells was investigated in 7 patients and 10 controls. Biopsies obtained from the descending colon were isolated biochemically by a special technique and the suspension of isolated colonic cells was incubated during 45 min. Compared w...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/00004836-199603000-00009
更新日期:1996-03-01 00:00:00
abstract:BACKGROUND:MUC1-glycoprotein is expressed at low levels and in fully glycosylated form on epithelial cells. Inflammation causes MUC1 overexpression and hypoglycosylation. We hypothesized that overexpression of hypoglycosylated MUC1 would be found in postoperative Crohn's disease (CD) recurrence and could be considered ...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/MCG.0000000000001340
更新日期:2021-02-01 00:00:00
abstract::In healthy volunteers, we studied the effect in intragastric administration of 100 ml 40% alcohol or isotonic saline on the ultrastructure of gastric oxyntic mucosa with emphasis on gastric mucosal microvasculature. We found that a single dose of 40% alcohol produces exfoliation of the surface epithelium, damage to th...
journal_title:Journal of clinical gastroenterology
pub_type: 临床试验,杂志文章
doi:
更新日期:1988-01-01 00:00:00
abstract::In this manuscript, a short review is provided of the basic principles of screening, emphasizing some of the methodologic problems attendant on any screening test, in short, a "screening primer." My analysis of the "core" data supporting efforts to screen for colorectal cancer leads to the conclusion that the utility ...
journal_title:Journal of clinical gastroenterology
pub_type: 临床试验,杂志文章
doi:
更新日期:1983-06-01 00:00:00
abstract::Isolated granulomatous disease was identified in a gastrectomy specimen after a gastrointestinal hemorrhage in a 61-year-old white woman. She died postoperatively. No other areas of granulomatous tissue were identified at autopsy. Ten years previously, pulmonary sarcoidosis was proven on lung biopsy. Conceivable, othe...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章,评审
doi:
更新日期:1988-06-01 00:00:00
abstract::Occult gastrointestinal bleeding frequently frustrates clinicians' attempts to locate the source. Foci of hemorrhage within the small bowel are often found only at laparotomy and can be attributed to Meckel's diverticula, carcinomas, or less frequently, pulsion-type diverticula. We report our experience with two patie...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章,评审
doi:10.1097/00004836-200111000-00014
更新日期:2001-11-01 00:00:00
abstract::Gastric cytoprotection in response to different agents (prostaglandins, carotenoids, etc.) failed to occur after surgical vagotomy. Decreased gastric emptying and the increased vascular permeability were tested in ethanol-treated rats without and with bilateral surgical vagotomy. The experiments were carried out on Sp...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/00004836-199206001-00025
更新日期:1992-01-01 00:00:00
abstract::Despite the fact that sequential therapy has been evaluated in more than 2500 patients and has been shown to on average provide Helicobacter pylori eradication in 90% to 94%, some authorities still question whether it should be a first-line anti-H. pylori regimen. Here, we discuss H. pylori eradication using experienc...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/MCG.0b013e31820ac05e
更新日期:2011-04-01 00:00:00
abstract::The clinicopathologic features of 221 patients with intestinal-type (IT) gastric cancer were compared retrospectively with those of 290 diffuse type (DT). Intestinal type was characterized by an older mean age (65.0 +/- 10.8 years vs. 56.2 +/- 13 years), a higher male-female ratio (2.56 vs. 1.06), predominance of bloo...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/00004836-199712000-00019
更新日期:1997-12-01 00:00:00
abstract::Despite the successful FDA approval of sorafenib as the standard of care therapy in patients with advanced hepatocellular carcinoma (HCC), its clinical benefits have been modest. The mortality rate remains high and prognosis poor for patients with advanced-stage HCC. The exact mechanism of sorafenib in the treatment o...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/MCG.0b013e31827d77a2
更新日期:2013-07-01 00:00:00
abstract:BACKGROUND:Although the diagnostic process in celiac disease (CeD) has been addressed in several international guidelines, little is known about the actual proceeding in current clinical practice. This study investigated the initial presentation, the diagnostic process, follow-up evaluations, and adherence to a gluten-...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/MCG.0000000000000676
更新日期:2018-01-01 00:00:00
abstract::Crohn's disease (CD) is now accepted as a systemic illness. The importance of extraintestinal manifestations is underlined by the fact that such "complications" can be more prominent and even more difficult to control than the intestinal disease itself. Lately, evidence for a more than accidental association of pancre...
journal_title:Journal of clinical gastroenterology
pub_type: 社论
doi:
更新日期:1990-10-01 00:00:00
abstract::Chronic atrophic gastritis (CAG) is closely correlated with gastric cancer and is predominant in Japan. Epidemiologically, food habits are the primary factor in both CAG and gastric cancer. Two potential serum markers for CAG have recently been investigated, i.e., the concentration of serum pepsinogen (PG) and the pre...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/00004836-199312001-00026
更新日期:1993-01-01 00:00:00
abstract::We report a case of microcystic (glycogen-rich) adenoma of the whole pancreas with coexistent pancreatic low-grade malignant islet cell tumor in a 29-year-old woman. She complained of nausea, vomiting, and growing abdominal mass. Abdominal computed tomography showed multiple cysts in the whole pancreas and a calcified...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/00004836-200105000-00018
更新日期:2001-05-01 00:00:00
abstract::A 39-year-old man had a 2-year history of fatigue, weight loss, drug-resistant ascites, and decreased intestinal motility. During adolescence he began to suffer frequent episodes of acute benign peritonitis that spontaneously subsided at age 35. The fact that his younger brother was taking colchicine for the same symp...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章,评审
doi:10.1097/00004836-199706000-00023
更新日期:1997-06-01 00:00:00
abstract::A large number of ascitic fluid tests, e.g., fibronectin and cholesterol, have been proposed as helpful in detecting malignancy as the cause of ascites. Unfortunately, these "humoral tests of malignancy" are nonspecific. Although the ascitic fluid concentrations of these proteins or protein-bound substances tend to be...
journal_title:Journal of clinical gastroenterology
pub_type: 社论,评审
doi:10.1097/00004836-199403000-00002
更新日期:1994-03-01 00:00:00
abstract::Constipation is not a sign but a symptom, which is not measurable scientifically. It has emotional components and must be dealt with in a holistic manner. The scientific approach aims only at the physiological derangement and serves to place the complaint in a more objective perspective. An algorithm can be constructe...
journal_title:Journal of clinical gastroenterology
pub_type: 评论,社论
doi:
更新日期:1992-10-01 00:00:00
abstract::Acid-reducing drugs can cause increased growth of microbes, including fungus, because of high gastric pH. Our purpose was to evaluate the occurrence of mycotic infection in patients with duodenal ulcer on anti-ulcer therapy and to compare the effects of cimetidine, famotidine, and omeprazole. Eighty patients with duod...
journal_title:Journal of clinical gastroenterology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00004836-199607000-00003
更新日期:1996-07-01 00:00:00
abstract::We have seen three patients with acute ulcerative colitis after hydrogen peroxide enemas. The colitis is probably the result of the explosive entrance of gas into the loose connective tissues of the mucosa and submucosa of the rectum and sigmoid. Fortunately, it is transitory in nature, but it should be distinguished ...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/00004836-198103000-00008
更新日期:1981-03-01 00:00:00
abstract::A randomized, multicenter, double-blind, placebo-controlled study was conducted to determine whether ranitidine 150 mg b.i.d. for 6 weeks would expedite endoscopic healing or relief of symptoms in patients with benign gastric ulcer. Of 203 patients enrolled, 101 received ranitidine and 102 received placebo. Endoscopic...
journal_title:Journal of clinical gastroenterology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00004836-198606002-00008
更新日期:1986-06-01 00:00:00
abstract::We previously established a model of cell damage induced by an acidified medium in the rat gastric epithelial cell line RGM1. Treatment of the cells with epidermal growth factor (EGF, 1-10 ng/ml) for 4 h prevented acid-induced cell damage in a concentration-dependent manner. In contrast, basic fibroblast growth factor...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/00004836-199700001-00013
更新日期:1997-01-01 00:00:00
abstract:BACKGROUND:The metabolic fates of copper and iron are closely linked through ceruloplasmin and hephaestin. Ceruloplasmin is the principal copper carrying protein and decreases in acquired copper deficiency. Congenital absence of ceruloplasmin (aceruloplasminemia) results in tissue iron overload. Animal studies suggest ...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/MCG.0b013e3181dc25f7
更新日期:2011-02-01 00:00:00
abstract:BACKGROUND:Inactive and active phases of hepatitis B e antigen-negative chronic hepatitis B virus (HBV) infection are diagnosed by serum HBV DNA levels, with cutoff at 2000 IU/mL. However, it is difficult to distinguish inactive carriers at a single time point because HBV DNA levels can transiently decrease to <2000 IU...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/MCG.0b013e3182a4711d
更新日期:2014-02-01 00:00:00
abstract::Hereditary hemorrhagic telangiectasia (HHT), also known as Osler-Weber-Rendu disease, is an hereditary disorder that results in fibrovascular dysplasia with the development of telangiectasias and arteriovenous malformations. It predominantly involves the skin, mucous membranes, viscera, lungs, and brain. Hereditary he...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章,评审
doi:10.1097/00004836-200302000-00013
更新日期:2003-02-01 00:00:00
abstract::To test our hypothesis that the erythrocytic sedimentation rate (ESR) correlates well with clinical activity in inflammatory disease of the colon, but not of the small bowel, we stratified 49 Crohn's disease patients according to their anatomic involvement and then measured the correlations between ESR and clinical ac...
journal_title:Journal of clinical gastroenterology
pub_type: 杂志文章
doi:10.1097/00004836-199012000-00009
更新日期:1990-12-01 00:00:00