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January 13, 1962

Diagnosis of Renal Vascular Disease and Renal Tumors by Photoscanning

Author Affiliations

Ann Arbor, Mich.

JAMA. 1962;179(2):137-140. doi:10.1001/jama.1962.03050020000006a

INTRAVENOUS DOSES of I131-labelled sodium o-iodohippurate (Hippuran) or Hg203-labelled chlormerodrin (Neohydrin) are concentrated sufficiently by the kidneys to permit their anatomical visualization with the aid of a photoscanner. We have reported a preliminary evaluation of the use of the photoscanner in the diagnosis of renal disease. After an experience of more than 100 renal photoscans, we wish to document some of the more important clinical uses of this technique.

Materials and Methods Scanning Equipment.—Scintiscans were performed using a 19-hole collimator, a 3" x 2" thallium activated sodium iodide crystal, a pulse height analyzer, and a pulsed light photorecording system.

Technique—In the early part of the study scintiscans were performed with both I131 sodium o-iodohippurate and Hg203 chlormerodrin. Since February, 1961, all scintiscans have been performed with Hg203 chlormerodrin. I131 sodium o-iodohippurate scintiscans were performed during a slow intravenous infusion (2-4 μC. per minute) of 200 /μC. of I131 sodium o-iodohippurate.