Results: There have been 280 staghorn calculus of which 217 (77.5%) were completedstaghorn calculus, average size of stone is 55.6 mm (25 - 126), 27 unique kidney, 12 bilateral staghorn calculus, 38 cases having previous surgical history (21 homolateral surgical nephrolithotomy, 8 inferior polar nephrectomy, 9 E S.W L.