case_images: PMC3350138_01
case_images: Tumour tissue. There are sheets of small round cells separated by fibrous tissue (H&E).
case_images: CRIM.ONCMED2011-183938.001.jpg
case_images: PMC3350138_01_CRIM.ONCMED2011-183938.001.jpg
case_images: fig1
case_images: Histologically, the tumour was composed of large sheets of small round cells forming lobulated nodules (Figure 1).
case_images: Immunohistochemistry with desmin: perinuclear dot-like staining (arrow).
case_images: CRIM.ONCMED2011-183938.002.jpg
case_images: PMC3350138_01_CRIM.ONCMED2011-183938.002.jpg
case_images: fig2
case_images: Immunohistochemical stains showed a patchy perinuclear staining pattern with desmin, but characteristic dot-positivity was not prominent (Figure 2).
case_images: Electron microscopy showing sparse cytoplasmic organelles with short strips of rough endoplasmic reticulum and mitochondria.
case_images: CRIM.ONCMED2011-183938.003.jpg
case_images: PMC3350138_01_CRIM.ONCMED2011-183938.003.jpg
case_images: fig3
case_images: The characteristic whorls of intermediate filaments usually present in DSRCT were not identified, and there were no dense core cytoplasmic granules (Figure 3).