Which of the following markers is specific for gastro-intestinal stomal tumor (GIST): (A) CD117, (B) CD34, (C) CD23, (D) S-100
Answer is A. most useful diagnostic marker of GIST is is c-KIT or CD117 REF :SYSTEMIC AND GENERAL PATHOLOGY RAMDAS NAYAK 2ND EDITION PAGE NO:390 Refer robbins 9/e