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ENT Nose and PNS cf73c242

Chronic dacrocystitis is due to?

A
Obstruction in naso lacrimal duct
B
Narrow bony canal
C
Foreign body
D
All of above
High-Yield Explanation
ANSWER: (D) All of aboveREF: Khurana 4th ed p. 370Etiology of chronic dacryocystitis is due to obstruction and stasis AETIOLOGY:Nasolacrimal obstructionNarrow" bony canalExcessive folds in nasolacrimal ductForeign bodyExcessive lacrimationMild grade inflammation
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