Comparison of hydrogen peroxide instillation with Goodsall's rule for fistula-in-ano.


BACKGROUND Identification of the internal opening is an essential step in the management of fistula-in-ano. The predictive accuracy of Goodsall's rule is compared with instillation of hydrogen peroxide for fistulas-in-ano. METHODS Thirty-five patients (32 male, three female; median age 42 years; range: 6 months-70 years) were studied. Hydrogen peroxide… (More)