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Clinical Notes, New Instruments and Techniques
April 1962

Transverse Leukonychia Due to Pellagra

Author Affiliations

From the skin clinic of the Queen Elizabeth Hospital.

Arch Dermatol. 1962;85(4):530-531. doi:10.1001/archderm.1962.01590040094015

In 1915 Brownson1 drew attention to the occurrence of transverse leukonychia in pellagrins. He was not able to find any previous account of such an association and concluded that sharply defined transverse leukonychia must be a very rare occurrence in pellagra. We have recently studied such a case, and a search of the literature disclosed 2 further case reports.2,3 Standard reference books on pellagra either do not mention affection of the nails4 or deny that any disturbance of the nails occurs in the disease.5 In the monographs on nail diseases by Milian,6 Heller,7 Pardo Castelló,8 and Pfister9 no new case material is discussed, but both Heller and Pardo Castelló refer to Sutton's monumental textbook10 which appears to have rescued Brownson's original report from oblivion.

In view of the rarity of this picturesque curiosity, we desire to record a case of transverse