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Preauricular sinuses and preauricular cysts are two common congenital malformations. Each involves the external ear. The difference between them is that a cyst does not connect with the skin, but a sinus does. [3] Frequency of preauricular sinus differs depending the population: 0.1–0.9% in the US, 0.9% in the UK, and 4–10% in Asia and ...
Odontogenic sinusitis. Odontogenic sinusitis is a type of sinusitis (inflammation of the sinuses ), specifically caused by dental infections or procedures. [1] Comprising approximately 10-12% of all chronic sinusitis cases, this condition primarily affects the maxillary sinus, which is in close proximity to the upper teeth. [2]
Treatment. Conservative, surgical excision. A branchial cleft cyst or simply branchial cyst is a cyst as a swelling in the upper part of neck anterior to sternocleidomastoid. It can, but does not necessarily, have an opening to the skin surface, called a fistula. The cause is usually a developmental abnormality arising in the early prenatal ...
The preauricular deep parotid lymph nodes ( anterior auricular glands or preauricular glands ), from one to three in number, lie immediately in front of the tragus . Their afferents drain multiple surfaces, most of which are lateral in origin. A specific example would be the lateral portions of the eye's bulbar and palpebral conjunctiva as well ...
The mastoid lymph nodes ( retroauricular lymph nodes or posterior auricular glands) are a small group of lymph nodes, usually two in number, located just beneath the ear, on the mastoid insertion of the sternocleidomastoideus muscle, beneath the posterior auricular muscle . Their mastoid lymph nodes receives lymph from the posterior part of the ...
Anatomical terminology. [ edit on Wikidata] Prelaryngeal lymph nodes are lymph nodes located anterior to the larynx . One such node is the Delphian node situated above the isthmus of the thyroid gland, which may be removed at the time of a thyoidectomy as a sentinel lymph node in order to identify risks of cancer spread. [1]
Once access to a blocked sinus is confirmed, a balloon catheter is advanced over the guide wire and positioned in the blocked sinus opening for inflation. The balloon is inflated. The entire procedure takes around 30 minutes and if the procedure is successful, the sinus will remain open after the balloon is deflated and removed for up to 24 months.
Here are links to possibly useful sources of information about Preauricular sinus and cyst. PubMed provides review articles from the past five years (limit to free review articles) The TRIP database provides clinical publications about evidence-based medicine. Other potential sources include: Centre for Reviews and Dissemination and CDC