Case Report
Copyright ©The Author(s) 2022.
World J Clin Cases. May 6, 2022; 10(13): 4145-4152
Published online May 6, 2022. doi: 10.12998/wjcc.v10.i13.4145
Figure 3
Figure 3 Hematoxylin-eosin and immunohistochemical staining. A: Hematoxylin-eosin staining reveals small round cells arranged closely in a flaky pattern (× 200); B: Immunohistochemical staining of the small round cells for CD99 shows strong positivity for this marker (× 200); C and D: Immunohistochemical staining for vimentin and synaptophysin is positive (× 200).