TABLE 2 Immunohistochemical Reactivities

From: Pulmonary Pathology of Erdheim-Chester Disease

Patient

CD 68

Lysozyme

Mac 387

CD 45 RB

S-100 protein

CD 1a

CD21

Factor XIIIa

Other

1

+

Weakly +

+

Vimentin +

2

+

NT

NT

+

NT

+

Factor VIII, CEA, EMA, CD 34−

3

+

Weakly +

+

4

+

NT

NT

NT

+

HLA-DR −

5

NV

NV

NV

NV

NV

NV

NV

NV

6

+

+

NT

NT

+

+

  1. NV, nonviable; NT, not tested.