A Case of First Branchial Cleft Fistula Presenting with an External Opening on the Root of the Helical Crus

<div>The opening of the fistula tract is seen on the root of the helical crus (a). A lower opening is visible in the postauricular crease (b).</div>

Case Reports in Medicine

Figure 1: A Case of First Branchial Cleft Fistula Presenting with an External Opening on the Root of the Helical Crus 