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  2. Preauricular sinus and cyst - Wikipedia

    en.wikipedia.org/wiki/Preauricular_sinus_and_cyst

    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 ...

  3. Branchial cleft cyst - Wikipedia

    en.wikipedia.org/wiki/Branchial_cleft_cyst

    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 period ...

  4. Branchio-oto-renal syndrome - Wikipedia

    en.wikipedia.org/wiki/Branchio-oto-renal_syndrome

    The signs and symptoms of branchio-oto-renal syndrome are consistent with underdeveloped (hypoplastic) or absent kidneys with resultant chronic kidney disease or kidney failure. Ear anomalies include extra openings in front of the ears, extra pieces of skin in front of the ears (preauricular tags ), or further malformation or absence of the ...

  5. Why some people have a small hole in front of their upper ears

    www.aol.com/lifestyle/2016-11-29-why-some-people...

    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 ...

  6. Hypohidrotic ectodermal dysplasia - Wikipedia

    en.wikipedia.org/wiki/Hypohidrotic_ectodermal...

    The hair is often light-coloured, brittle, and slow-growing. This condition is also characterized by absent teeth (hypodontia) or teeth that are malformed. Hypohidrotic ectodermal dysplasia is the most common form of ectodermal dysplasia in humans. It is estimated to affect at least 1 in 17,000 people worldwide. [citation needed]

  7. Lachiewicz–Sibley syndrome - Wikipedia

    en.wikipedia.org/wiki/Lachiewicz–Sibley_syndrome

    Lachiewicz–Sibley syndrome is a rare autosomal dominant disorder characterized by preauricular pits and renal disease. Persons with this disease may have hypoplasic kidneys or proteinuria. This disease was first described in a Caucasian family of British and Irish descent that emigrated to Ohio in the 19th century before settling in Nebraska.

  8. Supraclavicular lymph nodes - Wikipedia

    en.wikipedia.org/wiki/Supraclavicular_lymph_nodes

    Differential diagnosis of an enlarged Virchow's node includes lymphoma, various intra-abdominal malignancies, breast cancer, and infection (e.g. of the arm). Similarly, an enlarged right supraclavicular lymph node tends to drain thoracic malignancies such as lung and esophageal cancer, as well as Hodgkin's lymphoma.

  9. Accessory auricle - Wikipedia

    en.wikipedia.org/wiki/Accessory_auricle

    An intermediate power of a microscopic view of an accessory auricle. The lesions presents as a nodule or papule, either sessile or pedunculated. They may be soft or have a cartilaginous structure. By histologic examination, it is a recapitulation of normal external auricle. There will be skin, cartilaginous structures, and cartilage (although ...