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  • Courtesy of Bobby S. Korn, MD, PhD.
    File Size: 318 KB

    Papillary squamous cell carcinoma of the right lacrimal sac. A, Palpable mass over the right lacrimal sac (arrow). B, Magnetic resonance imaging scan shows a mass within the right lacrimal sac (arrow). C,(/b> Incisional biopsy through an external approach. D, Lacrimal sac biopsy reveals papillary squamous cell carcinoma.