Cervival lymph node with a diffuse large B-cell lymphoma showing CD1a positive dendritic cells.

Diffuse large B-cell lymphoma (axillary lymph node) showing groups of CD1a positive dendritic cells.

Follicular B-cell lymphoma in an inguinal lymph node showing scattered CD1a positive dendritic cells.

Hodgkin's lymphoma in a supraclavicular lymph node showing scattered CD1a positive dendritic cells.

Hodgkin's lymphoma in an inguinal lymph node showing scattered CD1a positive dendritic cells.

Lymphoblastic T-cell lymphoma showing weak to moderate CD1a immunostaining in a fraction of cells.