title: Evaluation of distance-weighted SPECT reconstruction for skeletal scintigraphy.
abstract: In 15 patients who had undergone skeletal scintigraphy for evaluation of low back pain, single-photon emission computed tomography (SPECT) reconstruction techniques of distance-weighted filtered backprojection (new method) and non-distance-weighted filtered backprojection (standard method) were compared. Mid-spine sagittal views differing only by reconstruction methods were evaluated by trained observers and by a quantitative profile technique. When asked to compare image quality, the observers demonstrated a clear preference for images reconstructed by the new method. Profile quantitation showed significantly greater contrast in more superficial structures with the new method.
mesh_terms: D001416:Back Pain / Q000000981:diagnostic imaging; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D013131:Spine / Q000000981:diagnostic imaging*; D014055:Tomography, Emission-Computed; D014057:Tomography, X-Ray Computed