To the Editor.—
Beau's lines are transverse grooves on the nail plate that develop as a consequence of any acute illness or stressful condition. First described by Beau in 1846,1 they occur as a result of myocardial infarction, measles, mumps, pneumonia, or pulmonary embolism.2 A case is described where multiple Beau's lines were observed in a patient in whom the lines could be attributed to recurrent attacks of erythema nodosum leprosum, or a type 2 lepra reaction.
Report of a Case.—
A 36-year-old man, who had been diagnosed as having lepromatous leprosy 2 years ago, was receiving multidrug therapy in the form of dapsone (100 mg/d), rifampicin (600 mg once a month), and clofazimine (300 mg once a month, and 50 mg/d). He presented to us for continuation of multidrug therapy, as he had moved. On examination, in addition to the thickening of the ulnar, common peroneal, and
Patki AH. Multiple Beau's Lines due to Recurrent Erythema Nodosum Leprosum. Arch Dermatol. 1990;126(8):1110-1111. doi:10.1001/archderm.1990.01670320134036