Peretz W L, Ettinghausen S E, Gray G F
Arch Ophthalmol. 1978 Feb;96(2):303-4. doi: 10.1001/archopht.1978.03910050171013.
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.