Correlación entre cintigrama renal DMSA (CR) planar y tomográfico en 180° y 360°.

Abstract

Planar DMSA scintigraphy is a well established method for evaluating kidney in the urinary tract infection. There is no agreement of the utility of SPECT DMSA imaging. We compared the results of planar DMSA scintigraphy with tomography technique ( gold standard was planar DMSA). 25 children were evaluated with planar DMSA, 180º posterior and 360º full tomography in the same day. Images were interpreted independently in a blinded fashion. We made a correlation table and Kappa analysis were aplicated. The best concordancy were obtained between planar and 180º SPECT, with a Kappa index : 0.66 vs 0.50 with the 360º tomography. Conclusion: the 180º acquisition technique is preferable for kidney tomography.

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