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Figure 3: Histological photograph of leptomeningeal tissue over the brain stem in a cadaveric specimen. (a) Hematoxylin and eosin–stained tissue viewed at 200 × magnification, showing scattered brownish granules within the leptomeningeal cells (black arrows). (b) The same specimen viewed under 200 × magnification with Melan-A staining shows bleaching of the leptomeningeal tissue and the presence of brownish melanin granules within the tissue (black arrows)

Figure 3: Histological photograph of leptomeningeal tissue over the brain stem in a cadaveric specimen. (a) Hematoxylin and eosin–stained tissue viewed at 200 × magnification, showing scattered brownish granules within the leptomeningeal cells (black arrows). (b) The same specimen viewed under 200 × magnification with Melan-A staining shows bleaching of the leptomeningeal tissue and the presence of brownish melanin granules within the tissue (black arrows)