Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 37 2 1999 06 15 92 94 S.E. Ketabchi A. Taghikhani 2015 09 28 In this article, the prcsigrnoid avenue to pertroclivai region is introduced and the advantage of such an approach is disusscd. Ten patients were operated on by this approach. Two illustrative cases are also presented. https://acta.tums.ac.ir/index.php/acta/article/view/1778 https://acta.tums.ac.ir/index.php/acta/article/download/1778/1771