The formation of cysts in the<unk>  testis is associated with the obstruction of the efferent ducts, which connect the<unk>  testis with the head of the epididymis. They are often bilateral.
Rete tubular ectasia
Autosomal dominant polycystic kidney disease
Glomerulocystic kidney disease
Horseshoe kidney
Autosomal recessive polycystic kidney disease
Page kidney
Renal–hepatic–pancreatic dysplasia
Multicystic dysplastic kidney