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Diagnostic ultrasound ( PDFDrive )

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602 PART II Abdominal and Pelvic Sonography

A

B

C

FIG. 17.3 Freehand Alignment of Biopsy Needle With Ultrasound Transducer. (A) Correct alignment for optimal sonographic visualization.

Biopsy needle is aligned precisely within the central plane of the transducer. (B) Incorrect alignment. Biopsy needle is aligned off-center relative

to the transducer. (C) Incorrect alignment. Biopsy needle is aligned correctly with the center of the transducer but is angled away from the central

plane.

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