Detection of right atrial myxoma by Fourier phase analysis.

The usefulness of radionuclide imaging in the detection of cardiac tumors has been demonstrated previously in left atrial myxomas. We report a case of right sided myxoma successfully diagnosed by radionuclide imaging and evaluated by cine display, Fourier phase analysis and paradox image. These three techniques are now available in many computer programs for gated cardiac blood pool imaging and provide an additional tool for assessing cardiac tumors. Particularly, functional paradox and Fourier phase analysis seem promising tools in the detection of both left and right sided tumors.