Part A courtesy of Anthony J. Lubniewski, MD; parts B and C courtesy of Hans E. Grossniklaus, MD.
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Ocular Pathology/Oncology
Corneal blood staining. A, Clinical appearance. Note the tan coloration of the central cornea. B, Masson trichrome stain. The red particles represent erythrocytic debris and hemoglobin in the corneal stroma. C, An iron stain demonstrates hemosiderin (arrows) within stromal keratocytes.