PMC10130682_01
Histopathological and immunohistochemical features of the bone marrow biopsy. (A) Haematoxylin and eosin section showing a proliferation of large-sized lymphoid cells with large nuclei and conspicuous nucleoli (400x magnification). (B) Positive for CD20 (400x).
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The anatomo-pathological results were compatible with bone marrow infiltration by high-grade B lymphoma (Figure 1), no other lesions compatible with medullary involvement by ovarian carcinoma were observed.