Dacryocystitis - osteopoikilosis Dacryocystitis - osteopoikilosis 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. Gunal-Seber-Basaran syndrome OMIM:166705 UMLS:C1833698 orphanet MESH:C536061 Primary bone dysplasia