It is usually found in men older than 55 years and is frequently found on bilateral testes but often asymmetrical.
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