Factors Associated with Inadequate Tissue Yield in EUS-FNA for Gastric SMT
Figure 2
EUS-FNA procedure. Case: 62 years old, female, tumor size 20 mm, area M in stomach. (a) Endoscopy showing submucosal lesion in the stomach, (b) EUS showing submucosal hypoechoic tumor with continuity to the proper muscle layer, (c) the hypoechoic mass shown on EUS was punctured under real-time EUS guidance (EUS-FNA), and (d) cell block specimen from a GIST revealing brown staining, positive for c-kit immunoperoxidase stain.
