Parotid gland – A high proportion of lymphocytes in a Warthin tumor shows CD27 positivity.
Parotid gland - A high proportion of lymphocytes in a Warthin tumor shows CD27 positivity. 
Parotid gland – Warthin tumor showing CD27 positivity of most lymphocytes.
Parotid gland - Warthin tumor showing CD27 positivity of most lymphocytes.
Pancreas – Ductal adenocarcinoma with a large number of CD27 positive tumor infiltrating lymphocytes.
Pancreas - Ductal adenocarcinoma with a large number of CD27 positive tumor infiltrating lymphocytes. 
Prostate – Adenocarcinoma containing CD27 positive tumor infiltrating lymphocytes.
Prostate - Adenocarcinoma containing CD27 positive tumor infiltrating lymphocytes. 
Lymph node – CD27 immunostaining of most non-neoplastic lymphocytes in a Hodgkin’s lymphoma. Hodgkin and Reed-Sternberg cells remain CD27 negative.
Lymph node - CD27 immunostaining of most non-neoplastic lymphocytes in a Hodgkin's lymphoma. Hodgkin and Reed-Sternberg cells remain CD27 negative. 
Testis – Diffuse large B-cell lymphoma with CD27 positivity in non-neoplastic lymphocytes.
Testis - Diffuse large B-cell lymphoma with CD27 positivity in non-neoplastic lymphocytes. 
Testis – Embryonal carcinoma containing few CD27 positive tumor infiltrating lymphocytes.
Testis - Embryonal carcinoma containing few CD27 positive tumor infiltrating lymphocytes. 
Testis – Seminoma showing CD27 positivity in a high proportion of tumor infiltrating lymphocytes.
Testis - Seminoma showing CD27 positivity in a high proportion of tumor infiltrating lymphocytes. 
Testis – Seminoma showing CD27 positivity in the majoritiy of tumor infiltrating lymphocytes.
Testis - Seminoma showing CD27 positivity in the majoritiy of tumor infiltrating lymphocytes. 
Lymph node -Strong diffuse CD27 expression in a diffuse large B-cell lymphoma.
Lymph node -Strong diffuse CD27 expression in a diffuse large B-cell lymphoma. 
Lymph node – Strong diffuse CD27 expression in a follicular lymphoma.
Lymph node - Strong diffuse CD27 expression in a follicular lymphoma.
Lymph node – Strong diffuse CD27 expression in a marginal zone lymphoma.
Lymph node - Strong diffuse CD27 expression in a marginal zone lymphoma.