Clinical Indications for Kidney Scanning

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Abstract
Kidney scanning with radioactive mercury compounds is a diagnostic procedure which should be used more than it is at present. No patient preparation or instrumentation is necessary. Patient sensitivity to mercury has not been encountered. There is no interference from gas and fecal matter. Sharp contrast between functioning and nonfunctioning areas, definition of functioning renal mass, and tissue visualization in the presence of azotemia are obtained. These advantages outweigh the problems of isotope handling, instrument technicalities, special training, and minimal limitations in interpretation. Among the indications for mercury kidney scanning are iodine allergy, inadequate roentgenography, and a need for spatial and functional evaluation.