Single-Wall Puncture: A New Technique for Percutaneous Transhepatic Biliary Drainage
Sang H. Lee1,
Seong T. Hahn1,
Hyung J. Hahn2 and
Kyung J. Cho3
1 Department of Radiology, St. Mary's Hospital, The Catholic University of
Korea, #62, Youido-dong, Yongdungpo-gu, Seoul 150-010, Korea.
2 College of Medicine, Konkuk University, #322, Danwol-dong, Chungju 380-701,
Korea.
3 Department of Radiology, University of Michigan Hospital, 1500 E. Medical
Center Dr., Ann Arbor, MI 48109-0030.

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Fig. 1. Photograph shows puncture set for single-wall puncture
technique. Sixty-centimeter, 0.018-inch guidewire is introduced into puncture
needle with its tip positioned in needle tip (arrow).
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Fig. 2A. Single-wall puncture in 57-year-old man with carcinoma of
pancreas head. Cholangiogram was obtained using single-wall puncture
technique. Note ductal puncture (arrow) made at periphery of right
hepatic duct, 3 cm from liver capsule.
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Fig. 2B. Single-wall puncture in 57-year-old man with carcinoma of
pancreas head. Cholangiogram obtained after further injection of contrast
medium shows numerous dilated bile ducts that might have been damaged by
conventional double-wall puncture technique.
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Copyright © 2003 by the American Roentgen Ray Society.