Which statement about DCR is true?

Which statement about DCR is true?

• A. It uses laser ablation to remove bone
• B. It creates a new opening between the lacrimal sac and nasal cavity
• C. It cures all forms of tear drainage problems
• D. It is never performed in adults

Answer: (B)

Dacryocystorhinostomy creates a new drainage route by connecting the lacrimal sac directly to the nasal cavity, bypassing a blocked nasolacrimal duct. This direct opening between the lacrimal sac and the nasal cavity is the defining feature of the procedure, which is why that statement is true. In practice, bone is removed to form an osteotomy and mucosal surfaces are brought together to keep the passage patent, though the exact tools used can vary and lasers are not the defining method. It isn’t guaranteed to fix every tear drainage problem, since there can be other factors or functional issues involved, and the procedure is commonly performed in adults as well as children.

Dacryocystorhinostomy creates a new drainage route by connecting the lacrimal sac directly to the nasal cavity, bypassing a blocked nasolacrimal duct. This direct opening between the lacrimal sac and the nasal cavity is the defining feature of the procedure, which is why that statement is true. In practice, bone is removed to form an osteotomy and mucosal surfaces are brought together to keep the passage patent, though the exact tools used can vary and lasers are not the defining method. It isn’t guaranteed to fix every tear drainage problem, since there can be other factors or functional issues involved, and the procedure is commonly performed in adults as well as children.