Case Report
Copyright ©The Author(s) 2019.
World J Gastroenterol. Nov 28, 2019; 25(44): 6571-6578
Published online Nov 28, 2019. doi: 10.3748/wjg.v25.i44.6571
Figure 4
Figure 4 Histological and immunohistochemical images. A: Hematoxylin and eosin staining (× 100) showed that the tumor cells were lymphocyte-like with pigmentation; B-D: Immunohistochemical staining showed that the primary gastric melanoma (PGM) was positive for HMB-45 (B; × 100), S100 (C; × 400), and MITF (D; × 100).