Two cases of systemic sarcoidosis occurred with unilateral involvement of the lacrimal sac and surrounding area. The involvement caused symptoms and a picture of a chronic, recurrent dacryocystitis.
Coleman SL, Brull S, Green WR. Sarcoid of the Lacrimal Sac and Surrounding Area. Arch Ophthalmol. 1972;88(6):645-646. doi:10.1001/archopht.1972.01000030647015