Solitary Cysts of the Kidney

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Because of the apparent rarity of solitary cysts of the kidney it seems worthwhile to report ten cases from the records of the Cleveland Clinic. I use the term “apparent rarity” because it would appear that solitary cysts of the kidney are of more frequent occurrence than we are led to believe from a review of the literature. As Branch1 states, solitary cysts of the kidney are rarely observed by the clinician but are frequently observed by the pathologist. He states further that unless the cysts reach a sufficient size to produce pressure symptoms, they are rarely diagnosed and are found only at autopsy. Branch states that they are present in from 3 to 5 per cent of all autopsies. In five kidneys from thirty-six cadavers, Kampmeier2 found cysts which varied from 2.5 to 5 centimetres in diameter. From 2,610 autopsies at the Middlesex Hospital, in London, Morris3 reported five cases of solitary cysts. We have found in the literature reports of 158 cases. The addition of our ten cases brings the total number to 168.

Case I.— The patient was a woman forty years of age who entered the clinic complaining that during the preceding ten years she had suffered from pain in the right side and difficulty in urination, the latter symptom having followed childbirth. The patient also had a feeling of fulness in the abdomen and an occasional aching pain in the right side. For the preceding few years there had been marked urgency and nocturia. There. . .



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