fistula
Fistula in Ano (7 of 7)
An anal fistula usually lasts until it is surgically removed. The fistula tract must be opened along with the source of the infection. Usually, tissue around the external opening and the internal opening...
Fistula in Ano (1 of 7)
Fistula-In-Ano: External opening of fistulus tract is apparent in photo above. Proximal opening would be at level of crypts, within the anal canal. Fistulas are frequently associated with perirectal...
Gastric Ulcer with Gastrocolic fistula due to...
Clinical Features of ZES Diarrhea: This symptom may precede ulcer symptoms and is seen in over 30% of patients with gastrinoma Diarrhea results not only from gastric acid hypersecretion and subsequent...
Gastric Ulcer with Gastrocolic fistula due to...
Clinical Features of ZES Less frequently, ZES may present as: Vitamin B12 malabsorption: This deficiency may develop because low intraluminal intestinal pH interferes with intrinsic factor-facilitated...
Gastric Ulcer with Gastrocolic fistula due to...
Clinical Features of ZES Peptic ulcer disease: This disease is present in 90%-95% of patients with gastrinomas. Patients who are Helicobacter pylori infection-negative and have no history of nonsteroidal...
Gastric Ulcer with Gastrocolic fistula due to...
Clinical Features of ZES The mean age at presentation is 45-50 years, and men are affected more often than women. Because of the rarity of the disease, the average interval between onset of symptoms...
Gastric Ulcer with Gastrocolic fistula due to...
Over 90% of gastrinomas are found within an anatomic triangle referred to as the gastrinoma triangle. The 3 points that define this region are: (1) the confluence of the cystic and common bile duct,...
Gastric Ulcer with Gastrocolic fistula due to...
The radiological detection of endocrine tumors of the pancreas poses a difficult challenge to the radiologist because of the small size of most of these tumors and frequently requires the combined...
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