proposed a score to improve accuracy in patient selection using several clinical, radiologic, and laboratory phenotypes from patients with suspected variations in HNF1B. They analyzed data from 433 patients, including 56 with mutations (13%), and the presence of renal cysts scored high (4 points for each affected kidney) in the identification of such mutations ( 13 ). The gene discussed is HNF1B; the disease is Renal cyst.