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Topic: Small bowel


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  Small Bowel Bleeding and Capsule Endoscopy - Patients - American College of Gastroenterology
The small bowel (or small intestine) is the longest portion of the intestinal tract.
Determining the source of gastrointestinal (GI) bleeding that originates in the small bowel (the area of the intestine between the stomach and the colon) is one of the major diagnostic challenges facing gastroenterologists.
However, unlike the colon and the upper GI tract, 70-80% of small bowel blood loss that is significant enough to warrant investigation is caused by abnormal blood vessels that lie within the wall of the small bowel.
www.acg.gi.org /patients/gihealth/smallbowel.asp   (1775 words)

  
 MUSC DDC - Small Bowel
The small bowel (also referred to as the small intestine) is the specialized tubular structure between the stomach and the colon.
The "upper" portion of the small bowel (the duodenum) begins at the exit of the stomach (pylorus) and curves around the pancreas to end in the region of the left upper part of the abdominal cavity where it joins the jejunum.
Significant abnormalities of the small intestine therefore, are manifested by malabsorption of nutrients, and diarrhea.
www.ddc.musc.edu /ddc_pub/digestiveOrgans/smallBowel.htm   (452 words)

  
 Small bowel cancer : CancerBACUP   (Site not responding. Last check: 2007-08-23)
The small bowel is divided into three main parts: the duodenum, the jejunum and the ileum.
The symptoms of small bowel cancer are often vague and difficult to diagnose.
The position of the tumour within the bowel and how much of the bowel is involved will determine how extensive the surgery is. It may be necessary to remove part of the stomach, colon, the gall bladder or the surrounding lymph nodes during the surgery.
www.cancerbacup.org.uk /Cancertype/Bowelcolonrectum/Smallbowel   (2091 words)

  
 Small Bowel Adenocarcinoma
Small bowel (intestine) adenocarcinomas are much rarer than their large bowel cousins.
As there are no data regarding these enzymes in human small bowel tumors, we wanted to determine whether they were involved in human small bowel tumorigenesis, and whether their expression was different in small bowel compared to colorectal adenocarcinomas, as suggested by animal studies.
Adenocarcinoma of the small bowel: a study of 37 cases with emphasis on histologic prognostic factors.
www.thedoctorsdoctor.com /diseases/small_bowel_adenocarcinoma.htm   (5613 words)

  
 Small bowel volvulus   (Site not responding. Last check: 2007-08-23)
Small bowel obstruction is a common cause of emergency surgical admission.
Small bowel ischaemia or infarction is suggested on CT by the presence of bowel wall thickening, intra-mucosal air and intra-peritoneal fluid.
Small bowel volvulus secondary to enterotomy for jejunal atresia.
www.rcsed.ac.uk /journal/vol44_3/4430004.htm   (2433 words)

  
 CT Small Bowel -ARRS '94 Abs
Although a carefully performed small bowel series has a high sensitivity for detecting subtle mucosal changes in the bowel, barium studies are limited in detecting extracolonic manifestations of the disease process.
On CT the typical appearance of a diseased loop of small bowel is wall thickening of 7-11 mm.
The bowel loops have a serpentine appearance due to wall thickening, adhesions of adjacent bowel loops, and shortening of the mesentery.
www.ctisus.org /multidetector/syllabus/CT_Small_Bowel.html   (6063 words)

  
 THE MERCK MANUAL, Sec. 3, Ch. 34, Tumors Of The Gastrointestinal Tract
Vascular tumors are multicentric in the small bowel in 55% of cases.
Angiodysplasias or arteriovenous malformations, consequences of aging, tend to occur in the distal small bowel or cecum.
Endoscopy of the small bowel with an enteroscope may be used to visualize and biopsy tumors and coagulate bleeding lesions of the duodenum and proximal jejunum.
www.merck.com /mrkshared/mmanual/section3/chapter34/34c.jsp   (392 words)

  
 MedlinePlus Medical Encyclopedia: Small bowel resection
Small bowel resection is surgical removal (resection) of a diseased portion of the small bowel (small intestine).
Small bowel resection is performed while the patient is under general anesthesia (unconscious and pain-free).
The proximal (nearer to the stomach) end of the healthy bowel tissue is then passed through the abdominal wall, and the edges are stitched to the skin of the abdominal wall.
www.nlm.nih.gov /medlineplus/ency/article/002943.htm   (482 words)

  
 Helical CT in the Diagnosis of Small Bowel Obstruction -- Furukawa et al. 21 (2): 341 -- RadioGraphics
Helical CT in the Diagnosis of Small Bowel Obstruction
in dilated small bowel loops proximal to an obstruction (Fig 3).
  Small bowel obstruction caused by adenocarcinoma of the ileum.
radiographics.rsnajnls.org /cgi/content/full/21/2/341   (5026 words)

  
 Small Bowel Transplants   (Site not responding. Last check: 2007-08-23)
The small bowel connects the stomach to the colon and is responsible for absorption of important nutrients from food.
All small bowel transplants should be performed at centers with experience in this procedure, such as the Pittsburgh Transplant Institute at the University of Pittsburgh, and the University of Nebraska Medical Center.
For small bowel and small bowel/liver: Two of the patients with small bowel and two of the patients with small bowel/liver transplants also received an IV infusion of bone marrow cells from the cadaveric donor.
www.bcbsma.com /common/en_US/hresource/368.jsp   (2582 words)

  
 SMALL BOWEL   (Site not responding. Last check: 2007-08-23)
POSTOPERATIVE DIAGNOSIS: Small bowel obstruction secondary to ischemic stricture.
Small bowel follow-through reveals an area of stricture in the distal small bowel and he is taken for laparotomy at this time.
The bowel itself was viable and peristaltic, but, was, as mentioned, edematous and quite narrowed at the proximal aspect.
www.meddean.luc.edu /lumen/MedEd/surgery/cases/case11/case.htm   (1538 words)

  
 eMedicine - Obstruction, Small Bowel : Article by Brian A Nobie, MD   (Site not responding. Last check: 2007-08-23)
In one small study, the sensitivity of plain radiographs was reported as 75%, and specificity was reported to be 53%.
CT scanning enables the clinician to distinguish between ileus and mechanical small bowel in postoperative patients.
Kahi CJ, Rex DK: Bowel obstruction and pseudo-obstruction.
www.emedicine.com /EMERG/topic66.htm   (3389 words)

  
 Medical Acupuncture Online Journal, Volume 12 #2, case 2
Obstruction is the most common surgical condition of the small bowel, often occurring as a consequence of scarring within the abdominal cavity, secondary to a prior surgical procedure.
No further needles were used because the treating physician was concerned that stimulation of the small bowel directly, e.g., with CV 4, the Mu point of the small bowel, might lead to increased bowel motility against a closed obstruction with subsequent perforation.
Small bowel obstruction: the role of nonoperative treatment in simple intestinal obstruction and predictive criteria for strangulation obstruction.
www.medicalacupuncture.org /aama_marf/journal/vol12_2/case2.html   (1512 words)

  
 indiacancer.org - Small Bowel Cancers   (Site not responding. Last check: 2007-08-23)
Lymph nodes are arranged in small groups in the underarms, in the neck, in the back of the abdomen, in the chest, and in the groin.
biopsy is a small piece of representative tissue, which is then sent to the pathologist for examination under the microscope to rule out the presence or absence of a cancer.
The oncosurgeon endeavors to remove the offending portion of the small bowel, along with a margin of healthy bowel for added safety, along with the associated lymph nodes to which the tumor cells may drain.
www.indiacancer.org /coca/s/sb.html   (1691 words)

  
 Small Bowel Obstruction Caused by Metastasis
Images obtained from a single-contrast small bowel follow-through demonstrate mildly dilated small bowel loops and two focal points of stenosis in the ileum (arrows).
Radiographic evidence demonstrates small bowel obstruction and suggests the presence of invasive submucosal masses.
Although malignant tumors of the small intestine are rare (comprising only 3-6% of all gastrointestinal neoplasms), the risk of primary adenocarcinoma of the small bowel is increased following colorectal cancer (6).
brighamrad.harvard.edu /Cases/bwh/hcache/212/full.html   (495 words)

  
 Small Bowel Tumors   (Site not responding. Last check: 2007-08-23)
After the appendix, the small intestine is the second most common site of tumors in the lining of the intestinal tract.
Tumors in the small intestine account for one to five percent of all tumors of the stomach and intestinal tract.
Malignant lymphoma that starts in the small intestine may cause a long segment of the small intestine to feel rigid.
www.csmc.edu /pf_5626.html   (192 words)

  
 'Camera pill' promising for diagnosis of small bowel disease
Capsule endoscopy (CE) displays the small bowel's entire length (as long as 25 feet) as the intestine's involuntary muscles push this "camera pill" forward.
Among those who may benefit from CE are people with Crohn's disease, a form of inflammatory bowel disease that occurs most often in the lower portion of the small intestine and is marked by diarrhea, abdominal pain and bleeding.
CE also demonstrated more tumors, ulcers, vascular malformations and other small bowel abnormalities than ingested barium exams or CT, the current diagnostic standards for small intestine disorders.
www.eurekalert.org /pub_releases/2004-01/rson-pp010604.php   (616 words)

  
 Women's Health Advisor 2005.2: Small Bowel Obstruction   (Site not responding. Last check: 2007-08-23)
The small bowel can become trapped inside the abdominal cavity in scar tissue or outside the abdominal cavity in a hernia.
If blood flow to the blocked part of the bowel is cut off and the bowel wall begins to die, it is said to be strangulated.
If your small bowel is partly blocked, the treatment may include decreasing the pressure of bowel gas by passing a tube through your nose to your stomach.
www.med.umich.edu /1libr/wha/wha_sbobstru_crs.htm   (624 words)

  
 UMHS - Small Bowel Follow Through
Sometimes called a dedicated small bowel follow through, this examination takes a look at the entire small intestine using x-rays.
You will be required to drink three cups of a thin liquid called barium which coats the inside of your intestines and enables our physician, the radiologist to examine the small bowel.
If your exam is scheduled for the afternoon, you may have a small glass of water in the morning, but remember, no breakfast.
www.med.umich.edu /1libr/tests/tests05.htm   (356 words)

  
 Small Bowel - Graft versus Host Disease   (Site not responding. Last check: 2007-08-23)
Because small intestine is rich in lymphoid tissue, it is not surprising to see that the incidence of GVHD in small bowel transplant patients is higher than in other solid organ transplantation.
GVHD occurs in approximately 5% of patients receiving small bowel transplantation(1-2), which is approximately 5-10 times higher than in other solid organ transplantatiion.
GVHD occurred in most of the small bowel allograft recipients is usually not fatal by itself because of the heavy immunosuppressive therapy, though opportunistic infections secondary to the heavy immunosuppression are the frequent cause of death in these patients.
tpis.upmc.edu /tpis/smbowel/SGVHDa.html   (398 words)

  
 Wireless Capsule Endoscopy as a Diagnostic Technique in Disorders of the Small Bowel
Obscure gastrointestinal bleeding suspected to be of small bowel origin as evidenced by prior inconclusive upper and lower gastrointestinal endoscopic studies.
The five additional cases diagnosed with wireless capsule endoscopy included one small bowel carcinoid that was treated with surgical resection.
Capsule endoscopy in diagnosis of small bowel Crohn's disease.
www.regence.com /trgmedpol/radiology/rad38.html   (1385 words)

  
 Short Bowel Syndrome
The amount of bowel that must be lost to produce malabsorption is variable and depends on which section(s) is/are lost, and whether the ileocecal valve is preserved.
The normal length of small intestine is approximately 300 to 850 cm for an adult, 200 to 250 cm for an infant over 35 weeks gestation, and approximately 100 to 120 cm for a premature infant, less than 30 weeks gestation.
It is important that a patient be given as much enteral/oral nutrition as possible to facilitate bowel growth and increased absorption of nutrients, and to decrease the deleterious effects of TPN on the liver (Freund, 1991).
depts.washington.edu /growing/Assess/SBS.htm   (1728 words)

  
 Metastatic Melanoma in the Small Bowel
Primary tumors of the small bowel are rare, accounting for only 2-3% of gastrointestinal tumors.
Small bowel primaries, in order of relative frequency, include carcinoid (often seen in the terminal ileum; profound desmoplastic reaction and calcification are typical), adenocarcinoma, lymphoma (often causes aneurismal dilatation of the bowel), GI stromal tumor, vascular malignancy, and fibrosarcoma.
Metastatic disease of the small bowel, on the other hand, is relatively common.
brighamrad.harvard.edu /Cases/bwh/hcache/351/full.html   (692 words)

  
 MedlinePlus Medical Encyclopedia: Small bowel biopsy
Small bowel biopsy is a diagnostic procedure in which a portion of the lining of the small intestine is removed for examination.
Small bowel biopsy samples can be obtained by EGD (esophagogastroduodenoscopy) or other endoscopy of the upper gastrointestinal tract.
A mild sedative can be given, but only in small doses because the person must remain alert enough to assist with the procedure (by doing such things as swallowing and turning).
www.nlm.nih.gov /medlineplus/ency/article/003889.htm   (557 words)

  
 Dr. Koop - Small bowel bacterial overgrowth
Small bowel bacterial overgrowth is a syndrome that involves excessive numbers of bacteria growing in the small intestines.
Small bowel diverticulosis -- small protruding sacs of the inner lining of the intestine.
Although these sacs can happen anywhere along the intestinal tract, they are more common in the large bowel than the small bowel.
www.drkoop.com /ency/93/000222.html   (324 words)

  
 Small Bowel Obstruction -- eCureMe.com
The small intestines (bowels) are the primary digestive system where nutrients are absorbed.
occurs when small intestines become obstructed (i.e., they are no longer allowing food and liquids to pass).
Bowel strangulation-blood supply to the small intestine is cut off, bringing about the possibility that the small bowel may die, leading to infection,
www.ecureme.com /emyhealth/data/Small_Bowel_Obstruction.asp   (237 words)

  
 Small Bowel Obstruction (SBO)   (Site not responding. Last check: 2007-08-23)
Although the differential diagnosis of bowel dilatation is wide, one must try to distinguish between ileus, whose treatment is usually medical and mechanical obstruction, whose treatment may be surgical.
A tumor in the colon involve the small bowel extrinsically and cause obstruction.
CT scan can be useful in evaluating the area outside the bowel including lymph nodes and abdominal and pelvic viscera.
www.mikety.net /Answers/SBO.html   (196 words)

  
 Ascariasis Causing Small Bowel Volvulus -- Rodriguez et al. 23 (5): 1291 -- RadioGraphics
were air filled, were seen within most of the small bowel loops.
cause the eggs to hatch in the small bowel.
small bowel, the worms grow to lengths of up to 35 cm.
radiographics.rsnajnls.org /cgi/content/full/23/5/1291   (1145 words)

  
 The Role of Defective Mismatch Repair in Small Bowel Adenocarcinoma in Celiac Disease -- Potter et al. 64 (19): 7073 -- ...
characteristics of small bowel adenocarcinoma in celiac disease.
A, Kaplan-Meier survival estimates for the overall survival of patients with small bowel adenocarcinoma.
Sellner F Investigations on the significance of the adenoma-carcinoma sequence in the small bowel.
cancerres.aacrjournals.org /cgi/content/full/64/19/7073   (3543 words)

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