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The pathological examinations. (A) The lesion (hematoxylin–eosin staining, 100×). (B) The necrosis area of the lesion (hematoxylin–eosin staining, 100×). (C) Non necrotic area of the lesion (hematoxylin–eosin staining, 200×). (D) Positive CD34 staining (immunohistochemisty staining, 100×). (E) Positive CD117 staining (immunohistochemisty staining, 200×). (F) Positive Dog-1 staining (immunohistochemisty staining, 200×).
