What’s this hard lump on the side of my back?

If you feel a hard lump on one side of your waist, it may be a fibroma, a lipoma or a sebaceous cyst.
1. Fibroma: it is an abnormality found in fibroblasts, which has a hard structure, clear boundaries, and can be pushed when touched. If it is diagnosed as fibroma, it can be surgically removed under local anesthesia.
2. Lipoma: the basic lesion is the overgrowth of normal fat cells in the local area, it is also a lump that can be palpated with a clear boundary, however, it is soft in texture and the boundary with the surrounding tissues is more obvious, and it can be surgically removed under local anesthesia.
3. Sebaceous cysts: also called acne, it is caused by the obstruction of sebaceous gland excretory ducts, the general development is relatively slow, if there is no inflammation, it can also be surgically excised, if in the inflammatory period, need to be treated with anti-infection first.
If you feel a hard lump on the side of the waist, you need to go to the general surgery department of the hospital, and then follow the doctor’s instructions to carry out the relevant treatment after a clear diagnosis.