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Sonographic appearances of small organizing hematomas and thrombi mimicking superficial soft tissue tumors
Jung Kyu Ryu1, Wook Jin, Gou Young Kim
1Department of Radiology, Kyung Hee University Hospital at Gandong, 149 Sangil-dong, Gangdong-gu, Seoul 134-727, Korea.
Abstract:
We retrospectively reviewed 2 cases of organizing hematomas and 2 cases of intravascular organizing thrombi and investigated correlations between sonographic and pathologic findings. In all 4 cases, a well-defined hypoechoic heterogeneous mass with surrounding increased echogenicity was evident in the subcutaneous fat layer. Organizing hematomas and thrombi have sonographic features similar to those of benign-looking soft tissue tumors. These lesions should therefore be considered in the differential diagnosis of superficial soft tissue masses.
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