Endoscopic-Ultrasound-Guided Fine-Needle Aspiration and the Role of the Cytopathologist in Solid Pancreatic Lesion Diagnosis

Figure 21

Lung metastasis to pancreas: (a) tumor cell clusters, Diff-Quik stain at 200x; (b) strips of tumor epithelium, H&E cell block at 200x; (c) cytoplasmic staining of cytokeratin CK7, immunoperoxidase stain, 400x; (d) nuclear staining of TTF1, immunoperoxidase stain, 200x.

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(b)

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