Journal of Korean Society of Medical Ultrasound 1995;14(1): 101-104.
Localized Fat Deposit in Paralumber Region Presenting as Palpable mass : Sonographic Diagnosis Using ColorDoppler Artifact
Kyung Nam Ryu, Young Tae Ko, Sung Pyo Hong
Department of Diagnostic Radiology Kyung Hee University Hospital1, Department of Plastic Surgery Kyung Hee University Hospital2
The purpose of this study was to describe the role of sonographic diagnosis using color Doppler artifact inthe evaluation of localized fat deposits resembling masses in the paralumbar regions. Seven patients underwentback sonography with color Doppler imaging because of clinical suspicion of soft tissue, painless masses of thelower back. The sonograms were obtained using a 5MHz linear phased-arry transducer. Color Doppler imaging wasperformed for the palpable lesiona. While compressing and releasing a lesion with a transducer, the sonographerobserved the movement of the lesion which was subsequently reviewed on a frame-by-frame basis using a cine loopfunction. The localized fat deposits were isoechogenic to adjacent subcutaneous fat. The deposits had indistinctmargins and formed movable lesions in the deep paralumbar compartment. Color Doppler imaging showed paradoxicalcolor mapping of these lesions during compression studies. Our results suggest that real time sonography and colorDoppler imaging with compression studies are useful in the diagnosis of localized fat deposits and in thedifferential diagnosis of soft tissue masses.
Keywords: Soft tissues. US stusies US. Doppler studies
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