Due to poor air quality related to fires in California, the Academy’s San Francisco offices will be closed Friday, Nov. 16. Member support staff will not be available by phone and responses to emails may be delayed.

  • Parts A–C courtesy of Hans E. Grossniklaus, MD; part D courtesy of George J. Harocopos, MD.
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    Ocular Pathology/Oncology

    Coats disease. A, Leukocoria as a result of Coats disease. B, Total exudative retinal detachment in Coats disease. Note the dense subretinal proteinaceous fluid (asterisk) (H&E stain). C, Telangiectatic vessels (asterisks) and “foamy” macrophages (arrowhead) typical of Coats disease (H&E stain). D, High magnification of subretinal exudate showing lipid-laden and pigment-laden macrophages (arrows) and cholesterol clefts (arrowheads) (H&E stain).