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Fig. 8A. 43-year-old woman with severe urinary incontinence after
pelvic trauma. Axial images from CT urography examination. Four Durasphere
(Carbon Medical Technologies) administrations during previous year failed to
relieve symptoms. Durasphere therapy represented as clump of extremely dense
periurethral material. Note aliasing and beam-hardening artifact in the
vicinity (arrows). Density measurements averaged 1,800 H.