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KMID : 0361819950140010101
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Journal of the Korean Society of Medical Ultrasound
1995 Volume.14 No. 1 p.101 ~ p.104
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Localized Fat Deposit in Paralumber Region Presentig as Palpable Mass: Sonographic Diagnosis Using Color Doppler Artiffact
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Abstract
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The purpose of this study was to describe the role of sonographic diagnosis using color Doppler artifact in the evaluation of localized fat deposits resembling masses in the paralumbar regions. Seven patients underwent back sonography with color
Doppler
imaging because of clinical suspicion of soft tissue, painless masses of the lower back. The sonograms were obtained using a 5MHz linear phased-array transducer. Color Doppler imaging was performed for the palpable lesions. While compressing and
releasing a lesion with a transducer, the sonographer observed movement of the lesion which was subsequently reviewed on a frame-by-frame basis using a cine loop function. The localized fat deposits were isoechogenic to adjacent subcutaneous fat.
The
deposits and indistinct margins and formed movable lesions in the deep paralumbar compartment. Color Doppler imaging showed paradoxical color mapping of these lesions during compression studies. Our results suggest that real time sonography and
color
Doppler imaging with compression studies are useful in the diagnosis of localized fat deposits and in the differential diagnosis of soft tissue amsses.
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