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Diagnostic ultrasound ( PDFDrive )

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696 PART III Small Parts, Carotid Artery, and Peripheral Vessel Sonography

A

B

C

FIG. 19.8 Hyperplastic (Adenomatous) Nodule. Longitudinal

ultrasound images. (A) Oval homogeneous nodule (arrows) with

thin, uniform halo. (B) Three hyperechoic nodules, typical of

hyperplasia. (C) Solitary hyperechoic nodule, which was benign

on ine-needle aspiration biopsy.

A

B

FIG. 19.9 Benign Nodule Feature. Longitudinal images. Extensive honeycomb-like or cystic changes, with nodules showing (A) larger cystic

spaces and (B) smaller cystic spaces. These features indicate a very high probability of a benign process.

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