Abstract:
:Dramatic refinements in CT technology are resulting in improved evaluation of the liver, pancreas, and gastrointestinal tract. Further clinical trials are necessary to compare the relative merits of CT versus MR imaging and endoscopic ultrasonography in a wide variety of gastrointestinal diseases.
journal_name
Gastroenterol Clin North Amjournal_title
Gastroenterology clinics of North Americaauthors
Zeman RK,Silverman PM,Cooper C,Weltman DI,Ascher SM,Patt RHsubject
Has Abstractpub_date
1995-06-01 00:00:00pages
183-99issue
2eissn
0889-8553issn
1558-1942journal_volume
24pub_type
杂志文章,评审abstract::The success of gastric bypass probably depends on factors other than merely the restrictive size of the gastric pouch and outlet. Postoperative dumping and a mild degree of malabsorption derived from the redirection of intestinal contents contribute to long-term success. Thus, gastric bypass combines some elements of ...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章
doi:
更新日期:1987-06-01 00:00:00
abstract::Anal cancer is rare and this helps to explain why anal pre-neoplastic conditions are poorly understood, especially with regard to their natural history and management. Anal intraepithelial neoplasia is closely linked to human papillomavirus infection and is particularly common in homosexuals and in immunosuppressed pa...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.gtc.2007.08.001
更新日期:2007-12-01 00:00:00
abstract::Preeclampsia has traditionally been viewed as one of several forms of hypertension complicating pregnancy. More recently, the multisystem nature of this unique gestational disorder has been emphasized. Pathophysiologic events, including abnormal placentation and heightened vascular reactivity, may occur weeks or month...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1992-12-01 00:00:00
abstract::Diarrhea is a common clinical feature of inflammatory bowel diseases and may be accompanied by abdominal pain, urgency, and fecal incontinence. The pathophysiology of diarrhea in these diseases is complex, but defective absorption of salt and water by the inflamed bowel is the most important mechanism involved. In add...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.gtc.2012.06.006
更新日期:2012-09-01 00:00:00
abstract::Focal liver lesions occur commonly and with varying histology, each requiring radically different management. There are a multitude of imaging modalities currently being used for detecting and characterizing focal liver neoplasms. The primary modalities include ultrasonography, computed tomography (CT), magnetic reson...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/s0889-8553(02)00028-6
更新日期:2002-09-01 00:00:00
abstract::BA is a rare disease of unclear etiology; nevertheless, its impact in the field of pediatric hepatology is significant. It is the most common surgically correctable cause of neonatal cholestasis and is the most common pediatric disease referred for liver transplantation. Little progress has been made with regard to im...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/s0889-8553(03)00049-9
更新日期:2003-09-01 00:00:00
abstract::Gastrointestinal endoscopy had major technological improvements and novel technologies in recent years. High-definition endoscopy has permitted an increasingly detailed view of the mucosa during colonoscopy. Filter techniques that enhance analysis of vessel and surface structures. Autofluorescence imaging relies on fu...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.gtc.2013.05.004
更新日期:2013-09-01 00:00:00
abstract::The application of EUS has improved the way we evaluate and manage patients with rectal cancer. EUS has substantially greater sensitivity than CT in detecting advanced T stage tumors. Such improved sensitivity results in changes in preoperative therapy that would not otherwise have occurred without EUS. Although the a...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/s0889-8553(02)00050-x
更新日期:2002-12-01 00:00:00
abstract::Hepatocellular carcinomas can be further divided into distinct subtypes that provide important clinical information and biological insights. These subtypes are distinct from growth patterns and are on based on morphologic and molecular findings. There are 12 reasonably well-defined subtypes as well as 6 provisional su...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.gtc.2017.01.009
更新日期:2017-06-01 00:00:00
abstract::Striking geographical differences occur in the clinical presentation of hepatocellular carcinoma in high and low incidence areas. This tumor is also associated with a number of paraneoplastic phenomena that may antedate the clinical appearance. ...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1987-12-01 00:00:00
abstract::Barrett's esophagus, currently defined as endoscopically apparent columnar metaplasia of the esophagus with histologic documentation of goblet cells, is the precursor to esophageal adenocarcinoma. However, not all patients with this disorder require intensive surveillance. Pathologic diagnosis and grading of dysplasia...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.gtc.2007.08.004
更新日期:2007-12-01 00:00:00
abstract::Several hepatobiliary diseases appear to be mediated by the host immune response. They can be subdivided into those in which the immune reaction is against an infectious agent such as hepatitis viruses, those in which the immune reaction appears to be against an autoantigen expressed on hepatobiliary cells, and those ...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1992-06-01 00:00:00
abstract::Adenomatous polyps are the benign precursors of colorectal adenocarcinoma. Colonic adenomas occur commonly in adults in Western countries. There is recent evidence that inheritance may play an important role in the etiology of these adenomatous polyps. Colonic adenomatous polyposis (numerous colonic adenomas) is the c...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1988-12-01 00:00:00
abstract::The use of high-frequency ultrasound transducers combined with manometry in the gastrointestinal (GI) tract has yielded important findings concerning the anatomy, physiology, and pathophysiology of the high-pressure zone of the gastroesophageal junction and the sphincteric muscles within. These transducers have made p...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.gtc.2007.07.008
更新日期:2007-09-01 00:00:00
abstract::A better definition of a pseudocyst that clearly separates it from acute fluid collection, improvements in imaging studies, and a better understanding of the natural history of pseudocysts have changed the concepts regarding their management. The old teaching that cysts of more than 6 cm in diameter that have been pre...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/s0889-8553(05)70077-7
更新日期:1999-09-01 00:00:00
abstract::Radionuclide studies of the upper gastrointestinal tract have been useful in many gastrointestinal disorders. However, the literature relating to radionuclide techniques in morbid obesity is limited and, at times, controversial. It is hoped that this brief review will stimulate interest in the use of tracer techniques...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1987-06-01 00:00:00
abstract::If one reviews the literature with zeal, it is increasingly apparent that few organs escape recruitment when IBD is chronic or progressive. Insights into mucosal pathophysiology have helped with understanding the more frequent extraintestinal manifestations, but the mechanisms attendant to the development of less comm...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1995-09-01 00:00:00
abstract::Determining the perioperative risks associated with surgical procedures performed in patients with HIV disease is a difficult and complex task. Because HIV is a contagious, blood-borne pathogen, it threatens the health and well-being of both patient and health care provider. Despite poor early results, there is now co...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/s0889-8553(05)70300-9
更新日期:1997-06-01 00:00:00
abstract::The new genus name Helicobacter was first published in October 1989. H. pylori is a unipolar, multiflagellate, gently spiral organism found on the human gastric mucosa, but in culture and under unfavorable conditions, coccoidal forms emerge, which may be indicative of a dormant state. The biology and metabolism of H. ...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1993-03-01 00:00:00
abstract::A persisting reservoir of the Gulf Coast strain of toxigenic V. cholerae O1 in Louisiana and Texas marshes and the shipment of seafood from these areas throughout the United States means that sporadic cases and outbreaks of cholera may occur anywhere in the country for the foreseeable future. Such cases are most likel...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1993-09-01 00:00:00
abstract::The cellular and molecular understanding of human gastroparesis has markedly improved due to studies on full-thickness gastric biopsies. A decrease in the number of interstitial cells of Cajal (ICC) and functional changes in ICC constitutes the hallmark cellular feature of gastroparesis. More recently, in animal model...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.gtc.2020.04.009
更新日期:2020-09-01 00:00:00
abstract::Acute acalculous cholecystitis (ACC) can develop with or without gallstones after surgery and in critically ill or injured patients. Diabetes mellitus, malignant disease, abdominal vasculitis, congestive heart failure, cholesterol embolization, shock, and cardiac arrest also have been associated with AAC. The pathogen...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.gtc.2010.02.012
更新日期:2010-06-01 00:00:00
abstract::Hereditary pancreatitis is a clinical condition in which typical pancreatitis is associated with an inheritance pattern strongly suggestive of an autosomal dominant trait. Different variants have been described, some with aminoaciduria and some with ductal anomalies. Recurrent attacks are typical and lead to complicat...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1994-12-01 00:00:00
abstract::CP remains a challenging disease. Endoscopic and surgical management, along with antioxidants, have helped in reducing chronic pain. Management of exocrine and endocrine insufficiency forms the cornerstone for improving nutrition in these patients. Newer therapeutic targets that will transcend the management of CP bey...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.gtc.2011.12.009
更新日期:2012-03-01 00:00:00
abstract::The five different viruses that cause human viral hepatitis, A, B, C, D, and E share the unique property of hepatotropism. Identification of the nucleic acid sequences of each of these viruses, coupled with the application of recombinant DNA technology, has resulted in the rapid development of molecular diagnostic tec...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1994-09-01 00:00:00
abstract::The goal of antiviral treatment of chronic hepatitis B is to prevent the complications of cirrhosis, hepatic decompensation, HCC, and death. Because these clinical outcomes may take a long period of time to develop, it is important to use intermediate or surrogate end points to evaluate the efficacy and response to an...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.gtc.2011.06.004
更新日期:2011-09-01 00:00:00
abstract::Fecal incontinence affects up to 20% of community-dwelling adults and more than 50% of nursing home residents, and is one of the major risk factors for elderly persons in the nursing home. Institutionalization itself is a risk factor (eg, immobility due to physical restraints). Management should focus on identifying a...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.gtc.2009.06.007
更新日期:2009-09-01 00:00:00
abstract::Because there are no reliable biological or laboratory markers associated with the condition, the diagnosis of irritable bowel syndrome(IBS) is based on patient descriptions of common symptoms such as abdominal pain accompanied by changes in stool form or frequency and associated symptoms such as bloating and distensi...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.gtc.2005.03.001
更新日期:2005-06-01 00:00:00
abstract::This article has reviewed the morphologic features of BE and its complications of dysplasia and adenocarcinoma in routinely processed endoscopic biopsy and resection specimens. In addition, the problems related to the diagnosis of dysplasia in tissue samples have been analyzed, and the role of esophageal brush cytolog...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/s0889-8553(05)70309-5
更新日期:1997-09-01 00:00:00
abstract::Gastric cancer (GC) is third leading cause of cancer-related death. Only 28.3% of new GC cases survive more than 5 years. Although incidence has declined in the United States, an increase is estimated for 2016. Risk factors include sex (risk is higher in men), Helicobacter pylori infection, heredity, and lifestyle. GC...
journal_title:Gastroenterology clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.gtc.2016.04.002
更新日期:2016-09-01 00:00:00