|
Adrenal gland - Strong granular cytoplasmic CTLA4 immunostaining of adrenocortical cells (tolerable cross-reactivity). Staining is absent in medullary cells. |
|
|
Adrenal gland - Weak to moderate granular cytoplasmic CTLA4 immunostaining of adrenocortical cells (tolerable cross-reactivity). |
|
|
Aorta, media |
|
|
Appendix, mucosa - Distinct CTLA4 immunostaining in a fraction of lymphocytes. In addition, weak apical cytoplasmic granular CTLA4 staining occurs in superficial epithelial cells (tolerable cross-reactivity) |
|