<prompt> Psuedoaneurysm in I.V.drug abusers is commonly found inRadial aeryBrachial aeryFemoral aeryExternal iliac aery  <response>: Pseudoaneurys Most common cause : Trauma penetrating trauma or iotrogenic by catheterization MC aery involved : Radial aery Treatment Ligation is the optimal treatment for infected pseudoaneurysm because it is easy, safe and cost effective in IV drug abuser there is high chance of infection RReconstruction is not recommended because of extension of infection at location of pseudoaneurysm and at aificial graft site Ref: Rutherford vascular surgery 6th edition pvolume II Pgno : 248-249 