The Renal Scintigram in Urologic Work-up

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Abstract
THE DETECTION and assessment of unilateral renal disorders involves a series of complicated diagnostic procedures which add up to a painful, expensive, and time consuming experience for the patient. Consequently, the development of methods for preliminary screening of patients is significant both with regard to the diagnostic information obtained and to the selection of those patients requiring complete urologic work-up. Others may be spared the discomfort of unnecessary examination. In particular, a reliable screening test is important in establishing or ruling out renal pathology as an underlying factor in hypertension. The finding of a disorder of one kidney in the hypertensive patient may be an indication for nephrectomy or other surgical measures. A positive preliminary investigation warrants precise diagnosis by aortography and confirmation by individual renal clearance tests. The primary objective of the screening test is the restriction of more exacting procedures such as aortography, with its inherent risk

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