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Nummular dermatitis (commonly known as nummular eczema or discoid eczema) is one of the many forms of dermatitis. [1] It is characterized by round or oval-shaped itchy lesions. [ 2 ] The name comes from the Latin word " nummus ," which means "coin."
The management of ear eczema will depend on the type of eczema diagnosed upon presentation. Generally, ear toileting and care are advised to help relieve symptoms. Washing the ears with an emollient and drying them is one way to achieve this. [2] Patients are advised against putting anything in the ears or scratching them. [2]
Dermatophytosis, also known as tinea and ringworm, is a fungal infection of the skin [2] (a dermatomycosis), that may affect skin, hair, and nails. [1] Typically it results in a red, itchy, scaly, circular rash. [ 1 ]
Microsporum audouinii causes the infections Tinea capitis (scalp ringworm) and Tinea corporis. [2] These superficial dermal diseases are generally found in prepubescent children (starting at 6 months) and rarely affect adults. [3] There are a few reasons why children are more susceptible to M. audouinii.
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 parts of Africa. [4]
Because spread is thought to occur through direct contact with affected individuals, large outbreaks have been known to occur in schools and other places where children are in close quarters; however, indirect spread through contamination with infected objects may also be a factor in the spread of infection. In the US, tinea capitis is thought ...
Living among a small band of Neanderthals in what is now eastern Spain was a child, perhaps 6 years old, with Down syndrome, as shown in a remarkable fossil preserving traits in the inner ear ...
Pityriasis rosea is a type of skin rash. [2] Classically, it begins with a single red and slightly scaly area known as a "herald patch". [2] This is then followed, days to weeks later, by an eruption of many smaller scaly spots; pinkish with a red edge in people with light skin and greyish in darker skin. [4]