nasolacrimal duct


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Related to nasolacrimal duct: nasolacrimal duct obstruction
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Noun1.nasolacrimal duct - a duct that carries tears from the lacrimal sac to the nasal cavity
duct, epithelial duct, canal, channel - a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs"
References in periodicals archive ?
Nasolacrimal duct intubation was performed as a primary treatment for NLDO in 65 eyes of 59 patients.
Lacrimal sac and nasolacrimal duct tumors are rare, but they should be considered as a possible etiology in patients with acquired epiphora because most of these tumors are malignant.
Congenital dacryocystitis is caused by incomplete canalization of the nasolacrimal duct (specifically at the valve/membrane of Hasner).
An acquired dacryocystocele is a diffuse and centrifugal enlargement of the lacrimal sac that forms as a result of obstruction of lacrimal drainage system proximally at the level of the common canaliculus and distally at the level of nasolacrimal duct [1].
Purpose: To investigate the outcome of probing in patients with congenital nasolacrimal duct obstruction and to evaluate the success rate among age groups.
The lacrimal apparatus consists of two canaliculi in the upper and lower eyelids that drain tears into the lacrimal sac and ultimately into the nose through the nasolacrimal duct. Patients who have an obstruction of the lower portion of the system can benefit from DCR with the creation of a new direct communication that is made into the nasal cavity from the lacrimal sac.
It consists of lacrimal gland, lacrimal canaliculi, lacrimal sac and nasolacrimal duct. Lacrimal fluid is produced by the lacrimal gland.
Latest Industry News*A sutureless wound closure technique called external dacryocystorhinostomy for nasolacrimal duct obstruction can ensure less scarring and better cosmesis compared to the subcuticular technique in external dacryocystorhinostomy procedures.
Chronic dacryocystitis is defined as the chronic inflammation of the lacrimal sac due to stricture of the nasolacrimal duct secondary to chronic inflammation, which is usually nasal in origin.
In addition, a retro-orbital pseudotumor and nasolacrimal duct obstruction may occur (1, 2).
External versus endoscopic dacryocystor-hinostomy for acquired nasolacrimal duct obstruction in a tertiary referral center.