Philips EPIQ, linear transductor, B-mode, frequency 5–12 MHz, right lower abdomen quadrant, cranial kidney: with a highly detailed linear probe it is possible to appreciate in the cranial kidney, recognizable for the pelvic dilatation, the presence of microcystic anechoic dilatations in papillary zone (signed by yellow arrowheads) and multiple diffuse hyperechoic spots (calcifications, signed by yellow arrows)