siÊu Âm lÒng hẬu mÔn - y7177.comy7177.com/sa/tq/thienhung/sieu-am-long-hau-mon-2018.pdf ·...
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SIÊU ÂM LÒNG HẬU MÔN
BS NGUYỄN THIỆN HÙNG
KHOA SIÊU ÂM MEDIC
1/ Khảo sát cơ vòng trong hậu môn
2/ Dò hậu môn –trực tràng
3/ Phân lọai TNM u trực tràng và ống hậu môn
The anal sphincter complex is seen intact on the postoperative
endoanal ultrasound (arrow and arrowhead point to the internal and
external anal sphincters, respectively).
Submucosal fistula at peroxide-enhanced endoanal ultrasound. 28-year-old male with left
anterolateral submucosal fistula. Transverse endoanal ultrasound image obtained in the low
anal canal (A) and 3D reformation (B) after cannulation of external opening and peroxide
injection. A shallow submucosal fistula is seen as an echogenic focus after peroxide injection
(arrow in (A)). 3D reformation shows fistula as a linear echogenic track (arrowheads in (B)).
The fistula extends just inferior to the margin of the internal sphincter. A cutting therapy
applied to this fistula would not result in sphincter division. IAS, internal anal sphincter.