some anatomical details that have great importance for endourology were observed and discussed , including the presence of perpendicular minor calices draining into the surface of the collecting system ( 11 per cent of the cases ) , crossed calices in the mid kidney with consequent formation of a region that we termed the inter-pelviocaliceal region ( 17.1 per cent ) , position of the calices related to the lateral kidney margin ( in 52.9 per cent the anterior and posterior calices were superimposed or alternately distributed ) , position of the calices related to the polar regions ( superior pole with a midline caliceal infundibulum in 98.6 per cent and inferior pole with paired calices in 57.9 per cent ) and to the mid kidney ( with paired calices in 95.7 per cent ) , and bilateral symmetry of the casts ( 37.1 per cent ) .
C0022651
calices
C0022646
kidney