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Figure 2 | Journal of Medical Case Reports

Figure 2

From: Primary leptomeningeal histiocytic sarcoma in a patient with a good outcome: a case report and review of the literature

Figure 2

Histologícal findings. A. Laminar fragment corresponding to dura mater (right) on which arises the tumor. B. Diffuse non-cohesive proliferation of neoplastic cells that look like a histiocyte. The cells are variable in size, with irregular nuclei and a strikingly large central nucleus. There is a lymphocyte and neutrophil inflammatory background showing numerous neutrophils and phagocytosis by tumor cells. C. Positive expression of CD68 in tumor cells.

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