• A well-differentiated, oncocytic adenocarcinoma of the lacrimal sac recurred locally in a patient during a period of 13 years. This appears to be the second documented instance of such a neoplasm.
Peretz WL, Ettinghausen SE, Gray GF. Oncocytic Adenocarcinoma of the Lacrimal Sac. Arch Ophthalmol. 1978;96(2):303-304. doi:10.1001/archopht.1978.03910050171013