Bulky Pulmonary Mucosa-Associated Lymphoid Tissue Lymphoma Treated with Yttrium-90 Ibritumomab Tiuxetan

Figure 3

Microscopic findings of lung biopsy specimens with hematoxylin and eosin staining ((a) ×10; (b) ×80). Immunohistochemical examinations of the tissue were positive for CD20 ((d) ×40) and negative for CD5 ((c) ×40), bcl-1 ((e) ×40), and AE1/AE3 ((f) ×40).

(a)

(b)

(c)

(d)

(e)

(f)