Maltoma is positive for-
Its an extra nodal marginal zone B cell lymphoma of MALT type.It is characterised by diffuse infilteration by monoclonal small B lymphocytes. CD 23 is a B cell marker.But its negetive for CD5. Reference : Harsh Mohan textbook of pathology, 7th edition.Pg no.356,357
CD 3
CD 10
CD 23
CD 5
Haematology