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Diagnostic ultrasound ( PDFDrive )

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616 PART II Abdominal and Pelvic Sonography

A

GB

A

A

B

GB

GB

C

D

FIG. 17.20 Cholecystostomy Using Ultrasound Guidance. (A) Longitudinal and (B) transverse ultrasound images show stones within the

gallbladder (GB) and adjacent debris-containing luid collection representing abscess (A). Perforation of gallbladder wall is identiied (arrow). (C)

Drainage catheter was placed using ultrasound guidance. (D) Subsequent CT conirms catheter placement within gallbladder lumen.

FIG. 17.21 Ultrasound-Guided Gallbladder Aspiration. Using freehand

technique, a needle is advanced transhepatically into the lumen of a sludge-illed

gallbladder.

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