迁移
发表于 2025-3-25 04:39:43
Endoscopic Laser Therapy of Colorectal Tumors,early as 1917, but it was only in the 1950s that laser sources became available for practical use . The endoscopic use of lasers in the treatment of gastrointestinal diseases began in the past decade when the application of optic fibers allowed the transmission of a laser beam . The optic fi
高深莫测
发表于 2025-3-25 09:56:50
Recent Advances of Diagnostic Ultrasonography in Gastroenterology, most recent and important developments in the method are represented by echo-guided biopsy, echoendoscopy, echo Doppler, and therapeutic and operational US. These subjects are dealt with in detail by other authors in this volume; we limit our discussion to recent applications of diagnostic US with
阐明
发表于 2025-3-25 14:49:33
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recession
发表于 2025-3-25 16:09:29
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Allowance
发表于 2025-3-25 23:59:08
Doppler Ultrasound in Hepatic Hemodynamics, thus providing an additional facility in the diagnostic evaluation of the abdominal vessels. The Doppler principle, on which these instruments are based, observes that when an ultrasound beam is reflected from a moving object, for example, red blood cells, the returning beam has a different frequen
Flinch
发表于 2025-3-26 00:16:15
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半球
发表于 2025-3-26 06:57:03
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Abrade
发表于 2025-3-26 11:49:46
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Schlemms-Canal
发表于 2025-3-26 13:27:25
Imaging of Hepatic Mass Lesions,C to CCC is generally 4–8:1, but it is currently 16:1 in Japan where HCC has increased remarkably in recent years . Hemangioma is the most frequent of all benign mass lesions of the liver, and my discussion therefore centers around the differential diagnosis of HCC and hemangioma.
anachronistic
发表于 2025-3-26 16:58:37
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