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Endosonography in Gastroenterology, Gynecology and Urology (Paperback, Softcover reprint of the original 1st ed. 1990)
Loot Price: R2,780
Discovery Miles 27 800
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Endosonography in Gastroenterology, Gynecology and Urology (Paperback, Softcover reprint of the original 1st ed. 1990)
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Technical improvements over the past twenty years have made endos
copy the procedure of choice for examination of the hollow organs
of the genitourinary and gastrointestinal tracts. The development
of electro surgical techniques, laser technology, injection
therapy, and a wide variety of other modalities now allow the
endoscopist to treat many problems that in the past required open
surgery. The simultaneous development of transcutaneous abdominal
sonography has had an equally dramatic impact on the practice of
gastrointestinal and geni tourinary surgery. The marriage of these
proven technologies, known as endoscopic sonography, provides an
exciting new modality that promises to further revolutionize the
diagnosis and management of many intraabdominal diseases.
Endoscopic sonography opens new frontiers by overcoming the primary
limitations of its parent technologies. Fiberoptic endoscopy is
limited by the inability to see beyond the luminal surface, this is
particularly important when considering neoplastic disease because
depth of wall invasion is a key factor in determining treatment.
The limiting factor in transcutaneous sonography is the distance
between the transducer and the target organ. With endoscopic
sonography, the transducer is placed in close proximity to the
target organ. This allows the use of high frequency waves (greater
than 5 MHz), which provide better tissue resolution and eliminates
the image distortion caused by overlying structures.
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