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  2. Nasolacrimal duct obstruction - Wikipedia

    en.wikipedia.org/wiki/Nasolacrimal_duct_obstruction

    Sinus disease often occurs in conjunction with, and in other instances may contribute to the development of nasolacrimal duct obstruction. Patients should be asked about previous sinus surgery, as the nasolacrimal duct is sometimes damaged when the maxillary sinus ostium is being enlarged anteriorly.

  3. Dacryoscintigraphy - Wikipedia

    en.wikipedia.org/wiki/Dacryoscintigraphy

    ICD-10-PCS: C8191ZZ: LOINC: 39670-5 ... quickly drained and absorbed through the nasolacrimal duct. ... localisation and may not be useful in cases of complete ...

  4. Dacryocystorhinostomy - Wikipedia

    en.wikipedia.org/wiki/Dacryocystorhinostomy

    ICD-9-CM: 09.81: MeSH ... (DCR) is a surgical procedure to restore the flow of tears into the nose from the lacrimal sac when the nasolacrimal duct does not function. [1]

  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. Epiphora (medicine) - Wikipedia

    en.wikipedia.org/wiki/Epiphora_(medicine)

    Causes of epiphora are any that cause either overproduction of tears or decreased drainage of tears, resulting in tearing onto the cheek. [2] This can be due to ocular irritation and inflammation (including trichiasis and entropion) or an obstructed tear outflow tract, which is divided according to its anatomical location (i.e., ectropion, punctal, canalicular or nasolacrimal duct obstruction).

  7. Rhinolith - Wikipedia

    en.wikipedia.org/wiki/Rhinolith

    Rhinoliths can cause nasal obstruction, epistaxis, headache, sinusitis and epiphora. They can be diagnosed from the history with unilateral foul-smelling blood-stained nasal discharge or by anterior rhinoscopy. On probing, the probe can be passed around all its corners. In both CT and MRI a rhinolith will appear like a radiopaque irregular ...

  8. Silent sinus syndrome - Wikipedia

    en.wikipedia.org/wiki/Silent_sinus_syndrome

    Silent sinus syndrome is a subtype of stage three chronic maxillary atelectasis. The distinguishing factor is that in silent sinus syndrome, there is an absence of sinusitis symptoms. [3] [4] [5] To be clear, chronic maxillary sinusitis may be a primary causitive factor in a significant number of silent sinus syndrome cases, it just may be ...

  9. Aerosinusitis - Wikipedia

    en.wikipedia.org/wiki/Aerosinusitis

    Aerosinusitis, also called barosinusitis, sinus squeeze or sinus barotrauma is a painful inflammation and sometimes bleeding of the membrane of the paranasal sinus cavities, normally the frontal sinus.