Case Report
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Dec 21, 2013; 19(47): 9133-9136
Published online Dec 21, 2013. doi: 10.3748/wjg.v19.i47.9133
Figure 4
Figure 4 Histopathological findings (specimen obtained by endoscopic ultrasound-guided fine needle aspiration biopsy). A: Hematoxylin and eosin staining (× 100).The tumor consisted of mixed components, consisting of spindle cells with eosinophilic cytoplasm, as well as cells with epithelioid features in some regions; B: KIT staining (× 100), KIT staining was negative; C: DOG1 staining (× 100). Immunostaining for DOG1 was positive mainly in the cell membrane and cytoplasm. DOG1: Discovered on gastrointestinal stromal tumor-1.