Fig. 3From: Percutaneous intravenous catheter forceps biopsy in right atrial mass: two case reports and literature reviewThe pathology of the first biopsy via femoral vein shows a large amount of cellulose and blood cells, diagnosed as thrombus (a hematoxylin and eosin, 40 × 10). The pathology of the secondary biopsy through the right internal jugular vein reveals a spindle cell tumor, some areas are rich in spindle cells, with moderate atypia and focal necrosis, and the histology is consistent with intimal sarcoma (b hematoxylin and eosin, 40 × 10). Immunohistochemistry-positive neoplastic cells for PRAME (c 40 × 10)Back to article page