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Histopathologic features of BL involving the jaws (Hematoxylin and eosin). A) Diffuse proliferation of medium-sized, non-cleaved neoplastic cells (200X). B) Mitotic figures can be identified throughout the specimen (400X). C and D) Variable amounts of macrophages giving the typical “starry sky” pattern seen in most cases. The neoplastic cells exhibited one to three evident nucleoli and scant basophilic cytoplasm (400X).
