Fig. 15From: Focal hand lesions: review and radiological approachUndifferentiated pleomorphic sarcoma in a 50-year-old female presenting with a 3-month history of a firm, fixed, enlarging lump over the hypothenar eminence of the right hand. (a) T1w sequence shows a hypointense, predominantly subcutaneous lesion with irregular margins. It abuts flexor tendons of the little and ring fingers (arrow) and involves overlying dermis, with small areas of infiltration into underlying muscle. (b) The lesion is heterogeneously hyperintense on T2w-FS sequence. (c) Heterogeneous enhancement is demonstratedBack to article page