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KMID : 0363220130510070513
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Korean Journal of Dermatology
2013 Volume.51 No. 7 p.513 ~ p.522
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A Clinical Study of Beau’s Lines
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Lee Kyung-Jin
Jung Hwa-Young
Lee Young-Bok
Oh Shin-Taek
Cho Baik-Kee
Park Hyun-Jeong
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Abstract
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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.
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KEYWORD
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Beau`s lines, Nail dystrophy, Transverse grooves
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