<prompt> Dacrocystorhinostomy is contraindicated in all EXCEPTAtrophic-rhinitisDNSCarcinoma lacrimal glandChronic dacrocystitis  <response>: Ans. d Chronic dacrocystitis. Ref. Parson,IWSO1-504; Basak, Ophthomology 2nd 282, 336Dacrocystorhinostomy DCR It is surgical procedure of choice in chronic dacrocystitis. A communication is made between lacrimal sac and middle meatus of nose. Contraindications: DNS Carcinoma of lacrimal glandMnemonic DCR Rhinitis Atrophic 