case_images: PMC4232025_01
case_images: PMC4232025_02
case_images: Chest radiograph showing a homogenous opacity in the right hemithorax
case_images: PAMJ-18-104-g001.jpg
case_images: PMC4232025_02_PAMJ-18-104-g001.jpg
case_images: F0001
case_images: The chest x-ray revealed homogenous opacity in the right hemithorax (Figure 1).
case_images: Contrast-enhanced chest CT showing a heterogenous mass in the right lung with infiltration of the soft parts of the chest wall
case_images: PAMJ-18-104-g002.jpg
case_images: PMC4232025_02_PAMJ-18-104-g002.jpg
case_images: F0002
case_images: Chest CT imaging (Figure 2) showed a heterogenous mass of 19X13 cm in the right hemithorax with hypodense areas suggestive of necrosis.
case_images: Histological examination (HES, X 100): small round tumor cells with scanty cytoplasm. The nuclei are large and hyperchromatic
case_images: PAMJ-18-104-g003.jpg
case_images: PMC4232025_02_PAMJ-18-104-g003.jpg
case_images: F0003
case_images: CT guided biopsy of the mass was performed, microscopic examination (Figure 3, Figure 4) showed small round tumor cells with scanty cytoplasm in a rare fibrous stroma.
case_images: Histological examination (HES, X 400): small round tumor cells with scanty cytoplasm in a rare fibrous stroma. The nuclei are large and hyperchromatic
case_images: PAMJ-18-104-g004.jpg
case_images: PMC4232025_02_PAMJ-18-104-g004.jpg
case_images: F0004
case_images: CT guided biopsy of the mass was performed, microscopic examination (Figure 3, Figure 4) showed small round tumor cells with scanty cytoplasm in a rare fibrous stroma.
case_images: Immunohistochemistrye (immunostaining X 400): diffuse and strong positivity for CD99
case_images: PAMJ-18-104-g005.jpg
case_images: PMC4232025_02_PAMJ-18-104-g005.jpg
case_images: F0005
case_images: The immunohistochemistry study was strongly positive for CD99 (Figure 5) and NSE, but was negative for cytokeratin (CK), leukocyte common antigen (LCA) (Figure 6) and myogenin.
case_images: Immunohistochemistry (immunostaining X 400): negativity for LAC
case_images: PAMJ-18-104-g006.jpg
case_images: PMC4232025_02_PAMJ-18-104-g006.jpg
case_images: F0006
case_images: The immunohistochemistry study was strongly positive for CD99 (Figure 5) and NSE, but was negative for cytokeratin (CK), leukocyte common antigen (LCA) (Figure 6) and myogenin.