Fig. 2From: Seborrheic keratoses and severe hypoinsulinemic hypoglycemia associated with insulin grow factor 2 secretion by a malignant solitary fibrous tumorSolitary fibrous tumor from this patient. a MRI appearance of the mass in the coronal plane shows 18.6 cm in maximal diameter. b MRI T2-weighted image in the sagittal plane demonstrates the retroperitoneal location of the tumor. c contrast-enhanced MRI transverse plane indicates a lobulated tumor with solid and cystic componentes. d Photograph of the dissected specimen weighing 1.5 kg presents two nodular masses measuring 14.3 and 13 cm with irregular shape and connected by a fibroadipose tissue. There were extensive areas of necrosisBack to article page