Fig. 1From: A para-aortic malignant melanotic nerve sheath tumor mimicking a gastrointestinal stromal tumor: a rare case report and review of literatureContrast-enhanced axial MRI scans in a 59-year-old woman with MMNST. AÂ A 4.7Â cm cystic mass at the para-aortic region, abutting onto the 3rd and 4th portion of the duodenum, showed a hyperintense solid part and a hypointense cystic part on T1WI, and BÂ a hypointense solid part and a hyperintense cystic part on T2WI. CÂ T2WI with fat suppression also showed a hypointense solid part and a hyperintense cystic part. DÂ Contrast-enhanced T1WI showed identical enhancement with T1WIBack to article page