Ovarian torsion in prepubertal and pubertal girls: sonographic findings.

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Abstract
The purpose of this study is to report the range of gray-scale and color Doppler findings of ovarian torsion in prepubertal and pubertal girls to determine whether there is a difference in appearance between the two age groups.The study population consisted of 20 patients, 11 who were prepubertal (ages 2 days to 6 years) and nine who were pubertal (ages 12-16 years), who had gray-scale sonograms and surgical confirmation of ovarian torsion. Color Doppler studies were obtained in 14 of 20 patients. All sonograms were reviewed retrospectively by two radiologists with attention to location of the twisted ovary, internal characteristics, and evidence of color Doppler flow. The results were then compared in the prepubertal and pubertal groups.Sonographic findings of torsion in 11 prepubertal patients included complex mass with septations and debris (6/11), cystic mass (1/11), and solid mass with peripheral cysts (4/11). The masses were located in the right lower quadrant (5/11), left lower quadrant (3/11), rig...

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