Breast- Invasive lobular breast cancer exhibiting a strong Ku80 immunostaining of tumor cells.
Colon- Colorectal adenocarcinoma showing a strong Ku80 positivity of all tumor cells.
Esophagus- Squamous cell carcinoma with reduced Ku80 staining of tumor cells as compared to stroma cells.
Kidney- Papillary renal cell carcinoma showing a strong Ku80 staining of tumor cells.
Liver- Hepatocellular carcinoma with strong Ku80 positivity of tumor cells.
Lung- Malignant mesothelioma with only weak and fokal Ku80 staining of tumor cells while the staining is more intense in inflammatory cells.
Lymph node- Diffuse large B-cell lymphoma showing a strong Ku80 immunostaining of tumor cells.
Lymph node- Hodgkin’s lymphoma with strong Ku80 immunostaining of tumor cells and of associated inflammatory cells.
Ovary- Clear cell carcinoma with moderate Ku80 immunostaining of tumor cells and associated stroma cells.
Ovary- Mucinous carcinoma with strong Ku80 immunostaining of tumor cells.
Pancreas- Neuroendocrine tumor with intense Ku80 positivity of tumor cells.
Penis- Squamous cell carcinoma with strong Ku80 immunostaining of tumor cells.
Prostate- Adenocarcinoma (Gleason 3+3=6) with strong Ku80 immunostaining of tumor cells.
Prostate- Adenocarcinoma (Gleason 3+3=6) with strong Ku80 positivity of tumor cells
Salivary gland- Warthin tumor depicting a strong Ku80 immunostaining of tumor cells and associated lymphocytes
Skin- Basal cell carcinoma exhibiting a strong Ku80 positivity of tumor cells.
Skin- Merkel cell carcinoma with intense Ku80 immunostaining of all tumor cells
Skin- Merkel cell carcinoma with weaker Ku80 immunostaining of tumor cells than in tumor-associated lymphocytes.
Soft tissue- Leiomyosarcoma with strong Ku80 immunostaining of tumor cells.
Soft tissue- Liposarcoma depicting a strong Ku80 staining of tumor cells.
Stomach- Gastrointestinal stromal tumor (GIST) with strong Ku80 immunostaining of all tumor cells.
Testis- Seminoma with intense Ku80 staining of tumor cells.
Thyroid- Medullary cancer showing strong Ku80 staining of tumor cells.
Thyroid- Papillary cancer exhibiting strong Ku80 staining of tumor cells.