Pancreatic Adenocarcinoma Producing Parathyroid Hormone-Related Protein

Figure 3

Pathologic examination findings. (a) Examination of an endoscopic ultrasound-guided fine-needle aspiration specimen showed necrotic tissue and tumor cells with highly atypical nuclei. Based on the histological findings, the final diagnosis was pancreatic adenocarcinoma. (b) Immunohistochemical staining of an endoscopic ultrasound-guided fine-needle aspiration specimen showed strong expression of parathyroid hormone-related protein.

(a)

(b)