case_images: PMC3825229_01
case_images: Initial CT showing retroperitoneal mass compressing on the right kidney.
case_images: 40064_2013_617_Fig1_HTML.jpg
case_images: PMC3825229_01_40064_2013_617_Fig1_HTML.jpg
case_images: Fig1
case_images: Its serpentine venous drainage to the IVC magnified the suspicion of malignancy (Figure 1).
case_images: Histology of the retroperitoneal mass. (A) Atypical nuclei (10x magnification). (B) Spindle cells with atypical nuclei (100x magnification).
case_images: 40064_2013_617_Fig2_HTML.jpg
case_images: PMC3825229_01_40064_2013_617_Fig2_HTML.jpg
case_images: Fig2
case_images: An ultrasound-guided biopsy of the right renal and left axillary lesions was performed which on histopathologic analysis showed atypical nuclei with spindle shaped cells (Figure 2).
case_images: Positive staining for estrogen receptor.
case_images: 40064_2013_617_Fig3_HTML.jpg
case_images: PMC3825229_01_40064_2013_617_Fig3_HTML.jpg
case_images: Fig3
case_images: The lesion was also positive for estrogen and progesterone receptors (Figure 3).
case_images: PMC3825229_02