Fig. 9
From: Solid malignant retroperitoneal masses—a pictorial review
Imaging of aggressive angiomyxoma. a A 38-year-old woman presented with abdominal pain during pregnancy. Sagittal T2-weighted MRI image shows a large pelvic mass (arrow), which is predominantly T2 hyperintense with a ‘whorled’ appearance. b, c Follow-up imaging post-partum showed interval growth of the mass. The mass is displacing structures, the uterus can be seen displaced anteriorly (arrow). d Sagittal T1-weighted image post gadolinium shows the characteristic swirling pattern of contrast enhancement, typical of aggressive angiomyxoma (arrow)