Gastric Smooth Muscle Hamartomas Mimicking Polyps in a Dog: A Case Description and a Review of the Literature

<table>Immunohistochemistry showing hyperplastic cells with diffuse and strong positivity with smooth muscle actin (SMA) (arrow), while the gastric glands epithelium was negative. Immunoperoxidase-diaminobenzidine stain, Mayer hematoxylin counterstain. Bar = 100 <svg height="12.125" id="M4" style="vertical-align:-3.50804pt" version="1.1" viewbox="0 0 8.8249998 12.125" width="8.8249998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.7)"><path d="M498 54l10 -26q-13 -16 -37 -28t-48 -12q-31 0 -52 21.5t-26 56.5h-2q-69 -78 -134 -78q-52 0 -81 42h-4v-16q-1 -56 12 -141.5t25 -117.5l-13 -12q-16 1 -39.5 14t-35.5 25q-2 7 -2 259v294q0 60 -3 96l81 18q2 -23 2 -105v-171q0 -65 27.5 -94t63.5 -29q56 0 100 53
v328l80 18v-335q0 -70 41 -70q17 0 35 10z" id="x3BC"></path></g>
</svg>m.</table>

Case Reports in Veterinary Medicine

fig4

Figure 4

Figure 4: Gastric Smooth Muscle Hamartomas Mimicking Polyps in a Dog: A Case Description and a Review of the Literature 