There is a small meatball inside the skin of the arm, which may be lipoma, dermatofibroma, sebaceous cyst, etc. According to different etiology, it can be treated by follow-up observation or surgical excision.
1. Lipoma: it is caused by abnormal proliferation of skin fat tissue, which can form lumps under the skin. Generally, it does not need treatment, and can be followed up for observation, and if it affects the aesthetics or pressure symptom, it can be removed by surgery.
2. Dermatofibroma: it is a kind of benign tumor caused by the focal proliferation of fibroblasts or histiocytes, mainly manifested as the appearance of slow-growing yellowish-brown or light-red round or oval nodules on the skin, which generally does not need treatment, and can be surgically excised and subjected to histopathological examination if necessary.
3. Sebaceous cysts: a kind of cyst caused by the blockage of sebaceous gland excretory ducts, hard nodules can be formed under the skin, and when the infection is serious, redness, swelling and pus can occur, and more surgical excision of the way of treatment.
There is a small meatball inside the skin of the arm, it is recommended to go to the hospital in a timely manner, after the cause of the disease is clear, under the guidance of the doctor to give targeted treatment in a timely manner.