• Part A courtesy of Heather Potter, MD; parts B– D courtesy of Nasreen A. Syed, MD.
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    Ocular Pathology/Oncology

    Adenoid cystic carcinoma of the lacrimal gland. A, Low-magnification photomicrograph shows numerous invasive tumor lobules. B, Note the characteristic cribriform (“Swiss cheese”) pattern of growth. C, The solid lobules of tumor represent the basaloid pattern, which is associated with a less favorable prognosis. D, Perineural invasion of tumor. Blue tumor invades the perineurium and surrounds a peripheral nerve (asterisk).