PMC5971331_01
Ulcerated gastric glomus tumor, gross appearance.
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fig1
An upper endoscopy was performed which showed an ulcerated gastric mass (Figure 1).
Ultrasound image of glomus tumor.
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A subsequent endoscopic ultrasound revealed a 3 cm well-circumscribed and homogeneous submucosal lesion (Figure 2).
CT image of glomus tumor. The arrow is pointing to a hyperenhancing, prepyloric, submucosal mass.
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fig3
CT scan confirmed the 3.0 x 2.9 x 2.7 cm hyperenhancing, prepyloric, submucosal mass with no radiographic evidence of metastasis (Figure 3).
Histologic image of glomus tumor.
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Tumor histology demonstrated a low-mitotic rate (2 mitotic figures per 50 high power field) with no nuclear atypia or lymphovascular invasion (Figure 4).
Immunohistochemical staining of glomus tumor, synaptophysin positive.
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Immunohistochemical staining was notable for positive expression of synaptophysin and smooth muscle actin with absence of CD 117 and CD 34 expression (Figure 5).