Titlebook: Endosonography in Gastroenterology, Gynecology and Urology; Gernot Feifel (Professor of Surgery),Ulrich Hildeb Book 1990 Springer-Verlag B

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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 transcutane

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https://doi.org/10.1007/978-3-662-33856-8om about 20–30 Hz up to about 16 Hz, these frequencies being the approximate lower and upper frequency limits of the average human ear. The region below about 20 Hz is designated ., while frequencies greater than about 16 kHz are called . (US).

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https://doi.org/10.1007/978-3-662-36376-8g., lymph nodes). This technique has been effective in the staging of gastrointestinal tumors. The purpose of this chapter is to describe the accuracy, limitations, clinical usefulness, and future prospects of endosonography in the field of gastroenterology.

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Endosonography in the Detection and Staging of Intra- and Extramural Lesions in the Upper Gastrointg., lymph nodes). This technique has been effective in the staging of gastrointestinal tumors. The purpose of this chapter is to describe the accuracy, limitations, clinical usefulness, and future prospects of endosonography in the field of gastroenterology.

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Endorectal Sonography,, is not accessible to extracorporeal ultrasound. However, as interest in the diagnostic imaging of rectal cancer has grown, refined sonographic techniques combining endoscopy and sonography have been introduced.