Journal of clinical ultrasound : JCU
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A technique for percutaneous puncture guided by real-time scanning is described. By means of a special puncture adaptor fastened to one end of a multitransducer, a needle can be guided in the plane of scanning in an adjustable angle to the transducer front. By this technique, the puncture target as well as the needle can be monitored on the real-time image during the entire puncture procedure. The technique has been used for amniocentesis, fine needle biopsy of a renal mass, renal cyst puncture, and pericardiocentesis.
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With the development of gray scale, the appearance of pancreatic anatomy and its relationship to surrounding structures can be demonstrated more effectively. Gray scale has made it possible to identify such vessels as the portal vein, superior mesenteric vein, superior mesenteric artery, splenic vein, etc. ⋯ The pancreas scanning techniques used in this study include the oblique, transverse, and longitudinal sections. Oblique views are especially useful.
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The use of ultrasonic scanning in diagnosis of pancreatic disease is reviewed. A procedure for the examination of the pancreas with a compound scanning technique and the ultrasonic appearance of the normal and diseased pancreas is described. ⋯ Percutaneous fine needle aspiration biopsy of solid lesions and percutaneous puncture of cysts can be performed with great accuracy under the guidance of ultrasound. Differential diagnosis and liminations in pancreatic scanning are discussed.
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Gray scale ultrasonography has made it possible to identify the major systemic arteries and veins in the upper abdomen. Identification of these vascular structures is discussed as well as their value as anatomic landmarks.