Examine the Availability and Safety of Mucosal Cutting Biopsy Technique for Diagnosis of Gastric Submucosal Tumor

Figure 2

Pathologic findings of resected specimen in Case 22 (diagnosis is schwannoma). (a) Tissue was composed of broad bundles of elongated cells (hematoxylin-eosin stain, ×200). Immunohistochemistry staining for (b) CD34, (c) c-kit, (e) alpha-smooth muscle actin (a-SMA), and (f) desmin are negative. (d) The tumor strongly stains for the S-100 protein.

(a)

(b)

(c)

(d)

(e)

(f)