RESUMO
La onicomadesis consiste en la separación o en el despegamiento indoloro y sin inflamación de la lámina del lecho ungueal en la zona proximal, apareciendo por debajo una uña nueva, puede afectar tanto a uñas de los dedos de las manos y de los pies. Las líneas de beau son surcos o estrías trans-versales en la uña que van de un pliegue lateral a otro, resultado de la interrupción temporal en la formación de la placa ungueal, podemos decir que la onicomadesis representa su forma extrema: donde el agente causal actúa durante más tiempo ocasionando afectación de todo el espesor de la placa ungueal y su consecuente separación del lecho ungueal. La onicomadesis puede tener causas locales, sistémicas o ser idiopáticas.
The onychomadesis is the separation or detachment without painless swelling of the nail bed sheet in the proximal area, appearing under a new nail polish can affect both the fingers and toes. The line beau are transverse striations or grooves in the nail going from one side to another, result of temporary disruption in the formation of the nail plate, fold onychomadesis can say that represents its extreme form: where the causal agent acts for causing longer involvement of the entire thickness of the nail plate and the consequent separation of the nail bed. The onychomadesis may have local, systemic or be idiopathic causes
Assuntos
Humanos , Regiões do Corpo , Onicomicose , NoxasRESUMO
BACKGROUND: Beau's lines are transverse furrows of the nail plates that can be caused by various conditions. Because the clinical manifestations of Beau's lines tend to depend on its causes, the clinical manifestations may provide diagnostic clues of causative or underlying diseases. OBJECTIVE: This study is conducted to provide a better understanding of Beau's lines and to give dermatologists diagnostic clues from assessment of its morphological patterns. METHODS: In order to investigate the clinical characteristics and patterns of Beau's lines according to its clinical manifestations, a retrospective study was being performed. A total of 150 patients with Beau's lines who visited the nails clinic of our hospital from January 1, 2006, to September 30, 2010, were included. RESULTS: The group of patients with Beau's lines consisted of 78 males (52%) and 72 females (48%). The onset age ranged from 1 to 82 years old. The most frequently involved fingernail was the right thumb nail. In this study, causes of Beau's lines were grouped into eight categories: idiopathic, traumatic, nail/skin disease, systemic illness, bone marrow transplantation, chemotherapy, nail infection, and others. Idiopathic cause was observed the most frequently. The pattern of Beau's lines was symbolized in each patient and was depicted in a row according to order of frequency. The pattern of N2B2L1D1M2 (Numerous/Multiple/Incomplete/Deep/Broad) was observed overall as the most frequently. The most common pattern in the nail/skin diseases category was N2B1L1D1M2 (Numerous/Single/Incomplete/Deep/Broad). In the traumatic group, N1B2L1D1M2 (Confined/Multiple/Incomplete/Deep/Broad) was the most frequently observed pattern. CONCLUSION: This study explored the clinical manifestations of Beau's lines. In some categories of causes, the morphological patterns showed a tendency to converge. Thus, the morphological patterns can provide certain diagnostic information.