A hard lump on the heel without pain or itching is considered to be tendon sheath cyst, synovial sarcoma, callus and so on.
1. Tendon sheath cyst: tendon sheath cyst is a soft tissue injury disease, it is a benign swelling that occurs near the joint ligament and tendon, it is related to the degeneration of joints and long-term injury, it is mostly in the shape of a hemisphere, elevated in the subcutaneous, it usually has no special feeling, and some of them may be accompanied with pain and soreness symptoms.
2. Synovial sarcoma: synovial sarcoma is a kind of malignant tumor, which has some relationship with chromosome, the early manifestation is painless lump, with the development of the disease, it will affect the function of the body, and if it presses the nerves, it will produce pain.
3. callus: callus is a long-term friction and pressure caused by the thickening of the skin stratum corneum, mainly manifested in the affected area of the skin thickening becomes rough, and there are hard raised plaques, and generally there is no pain and itching and other symptoms.
Heel hard lumps without pain and itching may also have other reasons, it is recommended that patients go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or standardized treatment.