|A 43-year-old female had a retroperitoneal soft tissue mass.|
The soft tissue mass measures 14.0 × 10.5 × 10.0 cm. The cut surface reveals abundant degeneration and necrosis with solid and cystic areas.
|HE, 2×||HE, 2×|
|HE, 4×||HE, 4×|
|HE, 10×||HE, 20×|
|HE, 20×||HE, 40×|
Source: Department of Pathology, Creighton University Medical Center, Omaha, NE