SOFT-TISSUE OSTEOSARCOMA WITH TELANGIECTATIC FEATURES - MR-IMAGING FINDINGS IN 2 CASES

Extraskeletal osteosarcomas are rare tumors, and the telangiectatic va riety is the least common histological variety in this group. This rep ort describes the clinical and MR imaging findings in two cases arisin g in thr pretibial soft tissues. Both tumors demonstrated marked inhom ogeneity with T2-weighted spin echo and STIR sequences. One of the tur ners revealed numerous fluid Levels within the lesion, A review of the MRI features of these tumors is provided. Osteosarcoma With telangiec tatic features should be considered in the differential diagnosis of a soft tissue mass with fluid-fluid levels in patients 40 years of age or older.