Role of Intraoperative Pathology Consultation in Skeletal Tumors and Tumor-Like Lesions
Figure 4
(a–c) Ewing’s sarcoma: (a) imprint smear shows scattered population of malignant round tumor cells with larger cells having pale stained nuclei and smaller cells having darkly stained nuclei; cytoplasm is vacuolated (MGG stain, ×400); (b) frozen section shows sheet of small round tumor cells with occasional rosette formation (H&E, ×400); (c) malignant small round tumor cells arranged in sheets and pseudorosettes are identified in paraffin embedded section. Note mitotic figures (H&E, ×400).
