Single photon emission computed tomography and renal pseudotumor.

Single photon emission computed tomography (SPECT), recently introduced into clinical nuclear medicine, potentially offers improved spatial resolution compared to planar imaging by eliminating activity from surrounding structures, and permitting three-dimensional reconstructions. Its clinical applications to date have been limited. A case where SPECT with Tc-99m dimercaptosuccinic acid (DMSA) better demonstrated a renal pseudotumor (a benign column of Bertin) compared to planar imaging is reported.