Total ulceration of the skin behind the ear may be related to diseases such as external ear eczema, postauricular fistula or 1st gill groove fistula, which need to be specifically analyzed according to the symptoms.
1. Eczema of the outer ear: the occurrence of eczema can be associated with mental factors, allergic reactions, neurological dysfunction, etc. Cosmetics, hair spray, woolen fabrics, etc. can be sensitizing factors, can appear in the external auditory canal and the surrounding skin, the auricle and other places of the lesions of the red spots, papules, blisters or vesicles and other manifestations, often itchy, when scratching and scratching causes secondary infection, there may be ulcers.
2. Post-auricular fistula: in the acute attack of chronic suppurative mastoiditis of the middle ear or cholesteatoma, etc., the formation of the posterior tympanic membrane abscess, in the abscess through the periosteum, the skin behind the ear, skin ulceration, the formation of posterior ear fistula, there can be repeated episodes of infection when the local pus inflammation, pus outflow.
3.1 gill groove fistula: also known as congenital ear and neck fistula, can appear in the auricle after the lower, below the tip of the mastoid, such as when the formation of a sinus tract and the cavity has a long-term accumulation of discharges, can make the blind end of the dilatation, in the case of a serious infection, the local skin will break down, so as to form a fistula.
The skin behind the ear always ulcerated may also have other reasons, it is recommended to timely to the hospital specialist consultation, after a clear diagnosis, in accordance with the doctor’s instructions on the cause of symptomatic treatment.