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Jul 27, 2018 - The lymph nodes behind the ear are called the posterior auricular lymph nodes. A swollen lymph node should resolve without treatment. Skin or ear infections are common reasons for the node to swell. If a lump lasts more than 2 weeks or occurs alongside other symptoms, visit a doctor.
There are many possible causes of lumps behind the ear.The three main noncancerous causes of lumps behind the ear are:. skin. lipomasAcne lumps behind the earAcne is a common skin condition that might cause a lump behind the ear.In acne, pores in the skin become blocked with sebum. Sebum is an oily substance secreted by units at the base of hair follicles.The sebum mixes with dead skin cells and can form a layer called a comedone.A might then become infected and inflamed if certain bacteria enter the comedone.Inflamed pimples can grow and, in their most severe form, form lumps called acne cysts. They can move around freely and are not fixed in place. A doctor should examine any skin lump that cannot be moved from side to side.Cysts in the scalp tend to be pilar skin cysts. In this type, the lining of the sac is made of hair root cells.Sebaceous cysts can also occur.
These responsible for the oily substance that moisturizes the skin and hair.Other cysts are made of cells from the surface of the skin, known as epidermoid cysts. Finally, there are also sebaceous cysts, which are less common and contain an oily substance. Swollen lymph nodes can produce lumps behind the ear.Lymph nodes grow behind the ear. These are parts of the immune system that drain and filter tissues.The lymph nodes behind the ear are called the posterior auricular lymph nodes.A lymph node can swell if exposed to foreign material.
This might occur because of a nearby infection, for example. The formal name for this is lymphadenopathy.A swollen lymph node should resolve without treatment. Skin or ear infections are common reasons for the node to swell.If a lump lasts more than 2 weeks or occurs alongside other symptoms, visit a doctor. InfectionsThe body reacts to infections by sending white blood cells to the affected area to combat the invading cells. This can lead to fluid buildup and swelling in the region.Otitis, or ear infection, can cause this.The part of the skull bone behind the ear is the mastoid.
If bacteria infect this area of the skull, they might cause a condition called mastoiditis.The infection takes place in the air spaces of the bone. The mastoid has a honeycomb-like structure. Bacteria can infect these air cells. This content requires JavaScript to be enabled.Charifa, A. (2018, February 22). Lipomas, pathology. StatPearls. Retrieved fromCancer of the outer ear.
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![Hard painful lump behind ear on skull Hard painful lump behind ear on skull](http://i55.tinypic.com/t6x8i8.jpg)
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![Hard bony lump behind ear Hard bony lump behind ear](/uploads/1/2/5/6/125632902/212585693.jpg)
I had a 1.2mm melanoma on the back of my neck. On a checkup, my doc (an ocological surgeon) found a small lump behind my ear. I had it biopsied and it was negative.
I definitely would have it checked and probably removed for biopsy. You probably should be followed by a melanoma specialist as well as the derm anyway. Once you are diagnosed with melanoma it's always a good idea to be treated at a melanoma center by melanoma specialists.
I've given this advice many times on here (too many, some say), but I still see situations like this where it seems you have not been followed by someone who is a specialist in melanoma.