A small bulge in the neck can be caused by dermatomas, warts, and acne.
1. skin bulge: it is a skin disease of proliferation, also known as soft fibroma. It is mostly found in obese and pregnant groups, with warts, filaments and polyp-like swellings as the common symptoms, the external manifestation may be the appearance of a small bulge.
2. Warts: are caused by the human papilloma virus infection of the skin mucous membranes of benign superfluous organisms, which is most common in the neck, so it may also be because the patient suffers from warts, and there is a small bulge in the neck of the phenomenon.
3. Acne: is a follicular sebaceous gland unit of chronic inflammatory skin disease, often accompanied by large pores and seborrhea. The lesions are most common on the face, followed by the neck. Therefore, it can also be caused by acne.
Therefore, when the patient has the symptom of a small bulge in the neck, it is recommended to go to the hospital for diagnosis and treatment in time.