case_images: PMC3180864_01
case_images: CT scan of the chest revealing a large heterogenous mass in the anterior mediastinum.
case_images: CRIM2011-407523.001.jpg
case_images: PMC3180864_01_CRIM2011-407523.001.jpg
case_images: fig1
case_images: Histology revealed a poorly differentiated trabecular neoplasm highly suggestive of a peripheral neuroectodermal tumor (Figure 1). 
case_images: Pathology slide revealing a CD99+ poorly differentiated trabecular neoplasm consistent with a neuroendocrine tumor.
case_images: CRIM2011-407523.002.jpg
case_images: PMC3180864_01_CRIM2011-407523.002.jpg
case_images: fig2
case_images: The appearance of tumor heterogeneity on imaging represents areas of hemorrhage and necrosis, as was the case in our patient's large lesion (Figure 2).