White lumps on hands may be caused by poor blood circulation, vitiligo, senile white spots and other reasons.
1. Poor blood circulation: If the hands are subjected to long-term pressure, extrusion and other stimuli, resulting in poor local blood circulation, white lumps on the hands may appear, but generally appropriate massage or hot compresses to promote blood circulation, white lumps will disappear.
2. Vitiligo: Vitiligo cause is unknown, is a common acquired pigmentation loss of skin mucosal diseases, the main manifestation is the skin white spots, often in the face, hands and other easy to be exposed to the sun, so there may be white patches on the hands.
3. Geriatric white spots: with ageing, the number of dopa-positive melanocytes in the skin decreases, triggering the geriatric white spots which are generally point-like pigment loss, mainly occurring in the milky white spots on the exposed parts of the body of the elderly, which can be manifested as white lumps on the hands.
White patches on the hands, after excluding the physiological reasons, should go to the regular hospital in time, to clarify the cause of the disease, under the guidance of professional doctors to take targeted therapeutic measures.