Best marker for GIST is: (A) CD117, (B) DOG 1, (C) CD 34, (D) CD 43
Answer is A. Diagnostic markers GISTs and cajal cells express c-KIT (also known as CD117) and CD34. Most useful diagnostic marker is c-KIT and immunohistochemically detected in 95% of gastric GISTs GENERAL AND SYSTEMIC PATHOLOGY RAMDAS NAYAK FIRST EDITION PAGE 390