Colonic polyp

Q. Which of the follwing is not an indication for resection of colon after endoscopic resection of adenomatious colonic polyp?

a. Lymphovascular invasion
b. Poorly differentiated adenocarcinoma
c. Cancer in the upper 1/3rd of the submucosa
d. Cancer with in 2mm of resected margin

Answer
c) Malignant polyp is one in which the cancer has invaded beyond muscularis mucosa. 2-12% of polyps removed endoscopically have cancers. Surgical resection of colon is required if there is lymphovascular invasion, poor differentiation, cancer with in 2mm of resected margin, invasion of lower 1/3rd of submucosa and if the lesion is flat or ulcerated.

3 comments to Colonic polyp

Leave a Reply

 

 

 

You can use these HTML tags

<a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>

Pages