Palm hypertrophy can be caused by palmoplantar keratosis, chronic eczema, callus and so on.
1. palmoplantar keratosis: most of the flat hard papules caused by local long-term pressure and friction, resulting in excessive thickening of keratin, surface keratinization, roughness can also cause palm thickening.
2. Chronic eczema: internal and external stimulation of a variety of factors causing inflammatory skin reactions, chronic eczema may cause roughness and thickening of the skin erythroderma, may also lead to the phenomenon of palmar hypertrophy.
3. callus: due to long-term skin pressure, friction, etc., caused by the thickening of the skin stratum corneum, there will be a thickening and hardening of the palm skin.
Palm hypertrophy, there may be other reasons, need to go to the hospital in time to check, clear cause.