Case Report
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Jun 7, 2006; 12(21): 3442-3445
Published online Jun 7, 2006. doi: 10.3748/wjg.v12.i21.3442
Figure 3
Figure 3 Histological findings of the resected specimen. A: hematoxylin–eosin staining. Sheet of large and polygonal cells with round to oval, eccentrically located nuclei and eosinophilic granular cytoplasm with lower mitotic activity; B: immunohistochemical staining for S-100 protein. Diffuse and strong expression of S-100 protein; C: immunohistochemical staining for p53. Some of the tumor cells are positive for p53; D: immunohistochemical staining for Ki-67. Some of the tumor cells are positive for Ki-67.