Fig. 2From: Radiological findings of malignant peripheral nerve sheath tumor: reports of six cases and review of literatureMPNST with NF-1 in a 49-year-old male. A well-defined, ovoid mass lies in the subcutaneous tissue, which demonstrates hypo-intensity on axial T1-weighted (B1) and obvious heterogeneous hyper-intensity on T2-weighted (B2) images. Perilesional edema and intratumoral lobulation are noticeable on T2WIBack to article page