Anaplastic thyroid cancer with strong CKpan immunostaining.
Ckpan negative malignant mesothelioma.
Ckpan negative squamous cell carcinoma of the oral cavity.
Clear cell carcinoma of the kidney showing cytoplasmic CKpan immunostaining of variable intensity.
Clear cell carcinoma of the ovary with incomplete membranous CKpan immunostaining.
Hepatocellular carcinoma with strong diffuse CKpan immunostaining.
Invasive lobular breast cancer showing strong diffuse CKpan positivity in tumor cells.
Merkel cell carcinoma of the skin with diffuse CKpan immunostaining.
Neuroendocrine tumor of the pancreas with weak to moderate Ckpan immunostaining. A much stronger staining is seen in retained normal excretory ducts.
Papillary renal cell carcinoma showing focal membranous CKpan immunostaining of variable intensity.
Renal angiomyolipoma showing distinct CKpan immunostaining of muscular blood vessels.
Seminoma of the testis showing cytoplasmic perinuclear „dot-like“ CKpan positivity in a fraction of cells.
Strong CKpan immunostaining in a poorly differentiated adenocarcinoma of the colon.
Strong diffuse CKpan immunostaining in a pancreatic adenocarcinoma.
Strong diffuse CKpan immunostaining in a pancreatic adenocarcinoma. In this case fibroblasts of demoplastic sroma reaction also stain CKpan positive.
Strong diffuse CKpan immunostaining in an angiosarcoma.