Зображення 00290. Paronychia, Beau's lines

Transverse grooves in the nail plate are often due to repeated worsening periods of chronic hand dermatitis also affecting the nail fold region. The symptom usually affects only one or a few nails. If a single transverse groove is found in all nails, it is due to a systemic health problem (febrile disease, malnutrition, trauma etc.): Beau's lines.