CD 34 is a tumor marker used for-: (A) Ewings sarcoma, (B) Myofibrosarcoma, (C) Alveolar soft pa sarcoma, (D) Inflammatory myofibroblastic tumor
Answer is C. Harshmohan textbook of pathology 7th edition. CD 34 is an immunohistochemical stain for sarcoma i;e, endothelial marker. S100 is the immunohistochemical stain for Ewings sarcoma..