Case Report
Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. Aug 21, 2008; 14(31): 4964-4967
Published online Aug 21, 2008. doi: 10.3748/wjg.14.4964
Figure 4
Figure 4 A: The tumor consisted of small round or oval cells with hyperchromatic nuclei and scant cytoplasm; B and C: Immunohistochemical staining for CD56 (B) and synaptophysin (C) reveals a positive reaction.