Question 7 of the “Clinical Quiz” (July 1,2001, page 31), pertaining to the article “Common Anorectal Conditions: Part II. Lesions,” was not clearly worded. Answer choice B should also be a correct response because topical diltiazem is helpful in the treatment of chronic fissures. The corrected question is printed below; the correct answers are B, C, and D.

Q7. Which of the following statements about the treatment of anal fissures is/are correct?

• A. Lateral sphincterotomy incises fibers of the external sphincter.

• B. Chronic fissures respond well to topical therapy.

• C. Nitroglycerin therapy may be complicated by headache.

• D. Topical nifedipine may successfully heal acute fissures.