[Studyon Renal Cell Carcinoma Detected by Abdominal Ultrasonography during Routine Health Check-Up].

We performed a study on renal cell carcinoma (RCC) detected by abdominal ultrasonography during routine health check-up at Sapporo Teishin Hospital. The study included a total of 13,127 ultrasonographic examinations performed on 4,339 patients who visited our hospital for routine health check-ups during a 21- year period from April 1995 to March 2016. RCC was suspected from ultrasonographic findings and later histopathologically diagnosed in 11 patients in this group (detection rate 0.