Recurved nails are not pestle fingers. Pestle finger is a condition characterized by chronic cardiopulmonary disease or infection that causes thickening of the terminal phalanges of one or both fingers and toes, enlargement of the bones of the fingers and toes, and bulging of the fingernails. Pestle finger is mainly seen in chronic lung diseases such as tuberculosis, emphysema, and cardiovascular diseases such as cyanotic congenital heart disease.
Nail curvature may be caused by long and curved nails, trauma, hypothyroidism and other factors.
1. Nail overgrowth and curvature: overgrowth of nails will lead to the phenomenon of nail bending.
2. Trauma: It is one of the common causes of nail bending, when the nail is accidentally squeezed and injured, and the treatment is not timely, it may lead to the growth of the nail from the two sides to the center, which will cause the nail deformation and form the thickening of the nail or the nail bending.
3. Hypothyroidism: It is also a possible factor that leads to crooked nails. Systemic diseases of hypothyroidism can lead to abnormal supply of oxygen to the ends of the fingers, which in turn may lead to crooked nails.
In addition, there are many other causes of nail bending, it is recommended to go to the hospital in a timely manner to rule out non-disease factors, and then receive treatment as soon as possible.