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Diagnostic ultrasound ( PDFDrive )

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FIG. 8.56 Gastrointestinal Stromal Tumor (GIST) of Rectum. Transrectal

sonographic image shows solid, well-deined, round mass arising from muscularis

propria layer in 59-year-old woman with asymptomatic palpable mass found at

routine physical examination. Tumor is growing with submucosal pattern, and

mucosal surface bulges into luid-illed lumen.

A

B

C

FIG. 8.57 Cancer of Anal Canal. (A) Long-axis image and

(B) cross-sectional image show a hypoechoic tumor disrupting

the normal planes of the anal canal. (C) Sonogram shows the

vascularity of the tumor. (With permission from Berton F, Gola

G, Wilson S. Perspective on the role of transrectal and transvaginal

sonography of tumors of the rectum and anal canal. AJR Am J

Roentgenol. 2008;190[6]:1495-1504. 106 )

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