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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 ...
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 ...
Fistula. In anatomy, a fistula ( pl.: fistulas or fistulae /- li, - laɪ /; from Latin fistula, "tube, pipe") is an abnormal connection (i.e. tube) joining two hollow spaces (technically, two epithelialized surfaces), such as blood vessels, intestines, or other hollow organs to each other, often resulting in an abnormal flow of fluid from one ...
It is called preauricular sinus which, according to the U.S. National Institutes of Health, or NIH, "generally appears as a tiny skin-lined hole or pit, often just in front of the upper ear where ...
An untreated cutaneous sinus can cause disfiguring soft tissue fibrosis, and the tract can become epithelial lined. Odontogenic infections An abscess originating from a tooth which has spread to involve the buccal space. Above, deformation of the cheek on the second day. Below, deformation on the third day.
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]
The infection is thought to originate in the tonsils or gingiva, ascending to the parotid gland. Two clinical forms; acute and chronic lesions. Acute lesions have diffuse glandular edema, easily confused with acute sialdentitis or abscess. The chronic lesions occur as slow growing masses mimicking tumors. Examination of the salivary gland
Anatomical terminology. [ edit on Wikidata] The occipital lymph nodes, one to three in number, are located on the back of the head close to the margin of the trapezius and resting on the insertion of the semispinalis capitis . Their afferent vessels drain the occipital region of the scalp, while their efferents pass to the superior deep ...
Sinusitis (or rhinosinusitis) is defined as an inflammation of the mucous membrane that lines the paranasal sinuses and is classified chronologically into several categories: [22] Acute sinusitis – A new infection that may last up to four weeks and can be subdivided symptomatically into severe and nonsevere.
Fistulectomy. Prognosis. Excellent. A congenital lip pit or lip sinus is a congenital disorder characterized by the presence of pits and possibly associated fistulas in the lips. They are often hereditary, and may occur alone or in association with cleft lip and palate, termed Van der Woude syndrome. [1]