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  2. Nasolacrimal duct obstruction - Wikipedia

    en.wikipedia.org/wiki/Nasolacrimal_duct_obstruction

    Nasolacrimal duct obstruction is the obstruction of the nasolacrimal ducts (better known as the tear ducts) and may be either congenital or acquired. Obstruction of the nasolacrimal ducts leads to the excess overflow of tears called epiphora .

  3. Dacryocystorhinostomy - Wikipedia

    en.wikipedia.org/wiki/Dacryocystorhinostomy

    With the advent of nasal endoscopes, endoscopic dacryocystorhinostomy is becoming popular. In this procedure, a nasal endoscope is used to visualise the lacrimal sac through the nasal cavity. The bone covering the lacrimal sac is nibbled out. The medial wall of the sac is incised or excised, facilitating drainage of tears into the nasal cavity.

  4. Nasolacrimal duct - Wikipedia

    en.wikipedia.org/wiki/Nasolacrimal_duct

    The canal containing the duct is called the nasolacrimal canal.It is formed by indentations in the inferior nasal conchae, maxilla and lacrimal bone.The canal drains into the nasal cavity through the anterior portion of the inferior meatus, which is between the inferior concha and the floor of the nasal cavity.

  5. Dacryocystitis - Wikipedia

    en.wikipedia.org/wiki/Dacryocystitis

    Dacryocystitis is an infection of the lacrimal sac, secondary to obstruction of the nasolacrimal duct at the junction of the lacrimal sac. [1] The term derives from Greek dákryon 'tear' cysta 'sac' and -itis 'inflammation'. [2] It causes pain, redness, and swelling over the inner aspect of the lower eyelid and epiphora.

  6. Dacryoscintigraphy - Wikipedia

    en.wikipedia.org/wiki/Dacryoscintigraphy

    Dacryoscintigraphy (DSG), also known as lacrimal scintigraphy, is a nuclear medicine technique for imaging the lacrimal apparatus. It is used to identify obstructions, for example in the lacrimal duct , nasal cavity or nasolacrimal duct .

  7. Merck's therapy for rare lung condition shown to help reduce ...

    www.aol.com/news/mercks-therapy-rare-lung...

    Merck said its drug met the main goal of significantly reducing the time to disease worsening, lung transplantation or death in a late-stage study of 172 patients with advanced stages of the ...

  8. Dacryocystocele - Wikipedia

    en.wikipedia.org/wiki/Dacryocystocele

    Dacryocystocele (Dacryocystitis) or timo cyst is a benign, bluish-gray mass in the inferomedial canthus that develops within a few days or weeks after birth. The uncommon condition forms as a result as a consequence of narrowing or obstruction of the nasolacrimal duct, usually during prenatal development.

  9. 6. Worms and other parasitic infections. With heavy worm burdens or certain parasitic infections, dogs can vomit. You may see worms in the vomit, but an absence of worms doesn’t mean parasites ...