Case Report
Primary Cervical Extraosseous Ewing’s Sarcoma Originated from the Sternocleidomastoid Muscle: A Case Report and Review of the Literature
Figure 3
Microscopic appearance of the samples. Hematoxylin & eosin (a). Cell cytoplasm showed dot-like positive staining for CK (b). Ki-67 stained 90% of tumor cells (c). Magnification ×40.
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