Nevus-Like Appearance of Primary Malignant Melanoma of the Esophagus

<table>Immunohistochemical stain. The cells sporadically showed immunoreactivity for S-100 protein (<svg height="8.5" id="M5" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.1 8.5" width="10.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,8.438)"><path d="M528 54l-36 -38l-198 201l-198 -201l-36 38l197 200l-197 201l36 38l198 -202l198 202l36 -38l-197 -201z" id="xD7"></path></g>
</svg>400, a) and HMB-45 antibody (<svg height="8.5" id="M6" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.1 8.5" width="10.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,8.438)"><path d="M528 54l-36 -38l-198 201l-198 -201l-36 38l197 200l-197 201l36 38l198 -202l198 202l36 -38l-197 -201z" id="xD7"></path></g>
</svg>400, b).</table>

Gastroenterology Research and Practice

Nevus-Like Appearance of Primary Malignant Melanoma of the Esophagus

Figure 4