Evaluation of hepatic cystic lesions

Table 3 Ultrasonography criteria for the diagnosis of autosomal dominant polycystic kidney disease

Family history positive1
Unknown genotype
	Age (yr)
	≥ 15 and ≤ 39	≥ 3 unilateral renal cysts
	≥ 40 and ≤ 59	≥ 2 bilateral renal cysts
	≥ 60	≥ 4 bilateral renal cysts
Family history negative
	> 10 bilateral renal cysts, with the exclusion of renal or extra-renal disease causing renal cysts

¹Exclude autosomal dominant polycystic kidney disease when < 2 unilateral renal cysts and ≥ 40 years of age.