nbme

4/5/2009 8:13:35 PM
a 54 years old man has acute pain several hours after the rubber band ligation of a prolapsing hemorroid. which of the following is the most explanation for a pain?
A the ligation involved the mucous lining of the anal canal
B the ligation stopped the blood supply of the hemorriod
C the ligation was done at the level of the anal column
D the ligation done inferior to the pectinate line
E the ligation done was on internal hemorrid

can anyone answer for me?


4/5/2009 8:38:50 PM
I think the answer is E. This is most likely external hemorrhoid, which is situated below the pectinate line; they are coverred with skin, and are more painful than internal hemorroids b/c their pain fibers are carried by GSA fibers of the inferior rectal nerves.


4/5/2009 11:03:07 PM
but i don't think (e) is correct
any idea as i think (d) is more correct
and i can't decide
any idea???
edited by agcoral84 on 4/5/2009


4/6/2009 12:55:25 PM
yes, I am sorry. The answer is D, by mistake I wrote E. You are correct.


6/20/2014 4:10:33 PM
pectinate line; they are coverred with skin, and are more painful than internal hemorroids


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