Fig. 3.

(A) Gross and microscopic findings of pancreatic hamartoma. The cut surface of the tumor was whitish and showed signs of focal necrosis with cystic change. Histologically, the tumor was composed of haphazardly distributed, cystic ductal elements lined by cuboidal to flattened epithelium, surrounded by well-differentiated acini embedded in fibro-inflammatory stroma (B: H&E, ×20; C: H&E, ×200). The immunohistochemical findings showed positive staining for CD34 (D, ×100) and positive/negative staining for c-kit (E, ×100).