복부 초음파로 의심된 단순신낭종의 임상적 관찰 = Clinical Observation of Simple Cyst of the Kidney Suspected by Abdominal Ultrasonogram

다국어 초록 (Multilingual Abstract)

Not aI1 renal cystic diseases cause symptoms or signs. The simple or solitary cyst, for example, may remain silent during life, to be found incidentally during the course of routine postmortem examination in the past time. The recently wide applications of abdominal sonography seems to be found relatively high incidence of the simple renal cyst. There were a few cases reports with the simple renal cyst in this country. Herein is reported observations on 346 cases suspecting with simple cyst of kindey among the total of 24,845 subjects received the abdominal sonography for purpose of the mediscreen testing or the diagnostic approach of the patients in this hospital from January 1982 to May 1985. 1) The incidence of simple renal cyst among the all subjects received the abdominal aonography was 1.39 percent. 2) The rate of the simple renal cyst in the male group was 1.59 percent, but 1.11 percent in the female. The peak age group of this observation was sixth decade(34.1%). 3) Two hundred ninty-nine cases(86.4%) in this observation was the solitary cyst found mostly (93.6%) in the unilateral kidney. No significantly different occurence in both site of kidneys was seen. 4) Concomitant occurence of the liver cyst was 2,3o in this series. Cases 3.0cm in diameter of the renal cyst was 53,8Fa but only 2.9% above 5.0 cm in diameter. 5) Most cases with the simple renal cyst was asymptom except someone complaining fatigue or urinary frequency. Urinary abnormalities of proteinuria and/or microscopic hematuria, and slightly elevated blood urea nitrogen or blood creatinine level were demonstrated in a few cases of this observation. The similar findings of the renal mass was also found in 7 cases performed intravenous pyelography. 6) Only a case associated with hydronephrosis required operation in this observation.