• Parts A and B courtesy of H. Josefine Fuchs, MD; parts C and D courtesy of Nasreen A. Syed, MD.
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    Ocular Pathology/Oncology

    Sarcoidosis. A, Chorioretinitis in the fundus. B, Optical coherence tomography of the unaffected eye (top) and the eye with chorioretinitis (bottom) demonstrating thickening of the choroid in the eye with inflammation. C, Biopsy of a sarcoid nodule showing epithelioid histiocytes and lymphocytes (chronic granulomatous inflammation) arranged as a nonnecrotizing granuloma (circle). D, High-magnification photomicrograph of a sarcoid nodule demonstrating an asteroid body (arrow) within a multinucleated giant cell.