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Ultrasonic diagnosis of ectopic pregnancy has been thought to depend on exclusion of intrauterine pregnancy on the basis of absence of an intrauterine gestational sac. Two cases illustrating intrauterine echoes suggesting a gestational sac associated with ectopic pregnancy and a plausible...
To assess the value of pancreatic sonography in patients suspected of having pancreatic disease, our first 500 pancreatic examinations using gray scale imaging were reviewed in a prospective manner without clinical information. Various parameters of each examination were recorded. The pancreas...
The sonographic parallel‐channel sign is not pathognomonic of dilatation of the biliary tree. Often, the so‐called parallel channel is a hepatic artery. The differentiation between a bile duct and a hepatic artery is usually possible with good sonographic technique.
Four hundred ninety‐two patients, including 449 pregnant patients, 39 nonpregnant control patients, and 4 patients with pelvic masses, had renal ultrasonography using gray scale technique. Measurements of renal pelvic diameters in the normal pregnant patients revealed an overall incidence of 63...
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