A moving bump under the scalp of a toddler may be caused by certain diseases, such as hemangioma, enlarged lymph nodes, epidermoid cysts and so on. According to different causes, general treatment, drug treatment, surgical treatment and so on are taken.
1. Hemangioma: Infantile hemangioma occurs in the head and neck, which can be manifested as a small moving lump under the scalp, which can be pulsatile. The treatment depends on the size, shape and location of the lesion, the presence or absence of complications, the chance of scar formation, etc. The methods include topical 0.5% timolol gel, clobetasol propionate cream, oral propranolol and surgical treatment.
2. Enlarged lymph nodes: Limited lymph node enlargement in the head, such as in the occipital region, behind the ears, and in front of the ears, is usually associated with localized infections of the head, conjunctiva, or oropharynx, and can be secondary to a moving bump under the scalp of young children. Initial evaluation often reveals an obvious cause such as ringworm of the head, dental infections, etc. The treatment is lymph node biopsy.
3. Epidermoid cysts: Epidermoid cysts are slow-growing, benign subcutaneous nodules, caused by developmental anomalies in the fetus, that appear as hard nodules that are fixed to the underlying bone or are free-moving, and can lead to moving bumps under the scalp in young children. Epidermoid cysts should be surgically removed due to the risk of complications such as infection.
To summarize, a toddler with a moving bump under the scalp should seek medical attention and medication as prescribed by the doctor to avoid delays.