How will you differentiate a mediastinal mass being a thymoma or acute lymphoblastic leukemia?

Pathology

How will you differentiate a mediastinal mass being a thymoma or acute lymphoblastic leukemia?

Most common type of Non-Hodgkin's lymphoma in the orbit:

All the following markers are expressed on the surface of T-cells at…

Which of the following statement is not true about glomerular basement membrane?