FIGURE 8Ultrasound of undescended testes. A – In neck of scrotum at external inguinal ring with small tumour; B – In inguinal canal; Incidental prostatic cyst in a healthy man: C – transverse, D – sagittal; Ejaculatory duct obstruction: E – prostate transverse – dilated ejaculatory duct; F – transverse, dilated seminal vesicle; G – sagittal, dilated duct and seminal vesicle