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The presence and degree of pancreatic necrosis (30%, 50%, or greater than 50%) was evaluated by means of bolus injection of contrast material and dynamic sequential computed tomography (CT) in 88 patients with acute pancreatitis at initial and follow-up examinations. Pancreatic necrosis was defined as lack of enhancement of all or a portion of the gland.(More)
The combined occurrence of pancreatic carcinoma with acute or chronic pancreatitis is seldom seen in medical practice, but when present it is a challenging dilemma, plagued by confusing overlapping clinical findings and pitfalls in diagnostic imaging tests. This article reviews the presumptive pathophysiological aspects of this relationship, the perplexing(More)
Treatment of patients with acute pancreatitis is based on the initial assessment of disease severity. Severe pancreatitis occurs in 20%-30% of all patients with acute pancreatitis and is characterized by a protracted clinical course, multiorgan failure, and pancreatic necrosis. Early staging is based on the presence and degree of systemic failure(More)
In 83 patients with acute pancreatitis, the initial computed tomographic (CT) examinations were classified by degree of disease severity (grades A-E) and were correlated with the clinical follow-up, objective prognostic signs, and complications and death. The length of hospitalization correlated well with the severity of the initial CT findings. Abscesses(More)
In 19 patients with closed-loop intestinal obstruction, including 16 patients with strangulating obstruction, the findings at examination with computed tomography (CT) were retrospectively correlated with the surgical and pathologic findings and evaluated by two radiologists. Signs of closed-loop obstruction, present in 15 patients, were associated with the(More)
A case of closed loop obstruction presenting with unremarkable plain abdominal films and diagnosed by CT is reported. The presence of (a) fluid filled distended small bowel loops; (b) abrupt transition with collapsed distal intestinal loops; and (c) grossly distended fluid filled "U" shaped loop are diagnostic of this entity. Prompt CT recognition, before(More)
The experience accumulated in daily abdominal CT scanning and CT evaluation of gastrointestinal lesions has generated helpful technical guidelines and some reliable principles of interpretation. These general principles are briefly discussed in this review, and the importance of performing a CT examination that is adequate for the detection and evaluation(More)
From 275 computed tomographic (CT) examinations with positive findings of abdominal lymphoma, 26 patients were found to have gastrointestinal involvement by the disease. The stomach was most commonly involved, followed by small bowel, colon, and duodenum. CT was found to be accurate in detecting wall thickening and complications such as perforation and(More)