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A female neonate with prenatally diagnosed congenital nasolacrimal duct cyst developed respiratory distress from nasal obstruction shortly after birth. Ultrasound, CT, and MRI showed a bilobed cyst comprising a dilated lacrimal sac and an intranasal component; endoscopic marsupialization restored a patent airway, with no recurrence at 3-month follow-up.
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Li et al. (2026) studied this question.
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