Modified Kraske Procedure with Mid-Sacrectomy and Coccygectomy for En Bloc Excision of Sacral Giant Cell Tumors

Figure 14

(a) Hematoxylin-eosin stained tissue demonstrated a highly cellular, solid neoplasm consisting of mononuclear cells and osteoclast-like giant cells; (b) intense immunohistochemical staining for CD68 (KP1).

(a)

(b)