Calot's Triangle

E. S. Brintnall, MD
JAMA. 1967;201(11):892. doi:10.1001/jama.1967.03130110118043.
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To the Editor:—  Under Letters (200:1186, 1967), several definitions of Calot's triangle were cited and the following translation from F. Calot was included:The triangle is not exactly equilateral; the superior and inferior sides, represented by the cystic duct, are equal and slightly longer than the side of the triangle made up by the hepatic duct.Calot's description was as follows: Le triangle n'est pas exactement equilateral, mais plutôt isocèle, les deux côtés supérieur et inférieur, représentés par l'artère et le conduit cystique, étant seuls égaux, et un peu plus longs que la partie du canal hépatique qui entre dans la constitution du triangle.The following translation seems accurate:The triangle is not exactly equilateral, but rather isosceles, the two superior and inferior sides represented by the cystic artery and the cystic duct, being equal and a little longer than the part of hepatic duct which enters into the


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