Dacryocystitis - osteopoikilosis (Orphanet rare-disease nomenclature id Orphanet_1562) syndrome is characterized by the association of dacryocystitis and osteopoikilosis. Dacryocystitis, an infection of the lacrymal sac, is likely to develop in case of stenosis of lacrymal canal, this stenosis being linked with the bone defect. Also known as: Gunal-Seber-Basaran syndrome.