Sonogram and cartoon showing an open saphenofemoral junction with a short patent segment above an otherwise occluded great saphenous vein (GSV). The superficial external pudendal (SEP) vein is patent with normal, prograde flow through the SFJ. CFV, Common femoral vein.http://www.google.com.eg/imgres?imgurl=http://www.veinsurg.com/gal/biblio/chir/chir_7/fig1.jpg&imgrefurl=http://www.veinsurg.com/fr/biblio/chirurgie/chirurgie_7.php&usg=__kayhyYvmS0h6O5tMoixfyZxDgCg=&h=561&w=808&sz=119&hl=ar&start=20&tbnid=wQdy4jSjGeefoM:&tbnh=99&tbnw=143&prev=/images%3Fq%3Dhunterian%2Bperforator%26hl%3Dar%26sa%3DG%26gbv%3D2%26tbs%3Disch:1&itbs=1
