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Diagnostic ultrasound ( PDFDrive )

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CHAPTER 8 The Gastrointestinal Tract 291

A

B

C

FIG. 8.38 Muscular Hypertrophy From Diverticular Colon

Disease. (A) Long-axis sonogram of the sigmoid colon shows

prominence of the outer muscular layer, the muscularis propria,

which appears hypoechoic. The outer longitudinal muscle ibers

are slightly more echogenic than the inner circular muscle ibers.

(B) Cross-sectional view. (C) Characteristic CT scan shows the

effects of the smooth muscle hypertrophy.

A

B

FIG. 8.39 Diverticulum of Colon. (A) Long-axis sonogram and (B) correlative CT scan show a small pouch (arrows) arising from the wall of

the descending colon. There is mild inlammatory change in the perienteric fat.

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