Oncocytic adenomatous hyperplasia of the lacrimal sac: A case report and review of the literature

Oncocytic tumors of the lacrimal sac are very rare, with only 21 cases docu mented in the world literature. The authors report a 75-year-old woman who sought treatment for recurrent dacryocystitis and a palpable mass in the le ft medial canthal area. The patient underwent surgery for removal of a susp ected lacrimal sac cancer, but pathologic findings indicated benign oncocyt ic adenomatous hyperplasia. Complete removal of the tumor and long-term fol low-up are necessary in patients with lacrimal sac oncocytic lesions. The a uthors discuss the characteristic features of ocular adnexal oncocytic lesi ons and review the literature.