There is a bulge on the back of the foot, which is mostly considered to be caused by subcutaneous lipoma, epidermal cyst, sebaceous cyst and other diseases.
1. Subcutaneous lipoma: When the human body eats high-calorie or high-fat food, its heat is absorbed by the body and accumulates in the body, especially in the location where there are more localized fat particles, a lump can be formed, which is commonly known as lipoma.
2. Epidermoid cysts: The disease is a cyst containing keratin in the dermis. It can occur in any part of the body. It can be manifested as a hemispherical bulge of localized skin with normal skin color and hard texture.
3. Sebaceous cysts: when the sebaceous gland ducts are obstructed, sebum can gradually accumulate, thus forming retention cysts, which can be manifested as localized bulges, such as the above symptoms.
There is a bulge on the back of the foot, there may also be other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.