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Pigmentary Demarcation Lines as Markers of Neural Development

Pigmentary Demarcation Lines as Markers of Neural Development Abstract We read with interest the comments by Krivo1 in a recent issue of the Archives about pigmentation demarcation lines (PDLs) and their relation to lines of Blaschko and cutaneous mosaicism. Krivo, who carefully reviewed the subject of PDLs in an article coauthored by Selmanowitz,2 considers now that PDLs follow lines of Blaschko, based on the diagrams published in the review by Bolognia et al.3 It is noteworthy that the latter authors did not consider PDLs as following lines of Blaschko. The origin of PDLs has been addressed in studies by Miura4 and Dupré et al.5 Their conclusions were some- what different because the topography of PDLs was assigned to the axial lines of Sherrington. Those virtual lines, well studied by neurologists,6 correspond to a subset of lines of Voigt, which separate dermatomes arising from nonconsecutive dorsal roots (Figure). The lines may become visible only when References 1. Krivo JM. How common is pigmentary mosaicism? Arch Dermatol. 1997;133: 527-528.Crossref 2. Selmanowitz VJ, Krivo JM. Pigmentary demarcation lines . Br J Dermatol. 1975; 93:371-377.Crossref 3. Bolognia JL, Orlow SJ, Glick SA. Lines of Blaschko . J Am Acad Dermatol. 1994; 31:157-190.Crossref 4. Miura O. On the demarcation lines of pigmentation observed among the Japanese, on inner sides of their extremities and on anterior and posterior sides of their medial regions . Tohoku J Exp Med. 1951;54:135-140.Crossref 5. Dupré A, Maleville J, Lassere J, Aillos O. Les dermatoses axiales . Ann Dermatol Venereol. 1977;104:304-308. 6. Schliack H. Segmental innervation and the clinical aspects of spinal nerve root syndromes . In: Vinken, Bruyn, eds. Handbook of Clinical Neurology . New York, NY: John Wiley & Sons Inc; 1969:157-170. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Dermatology American Medical Association

Pigmentary Demarcation Lines as Markers of Neural Development

Archives of Dermatology , Volume 133 (11) – Nov 1, 1997

Pigmentary Demarcation Lines as Markers of Neural Development

Abstract

Abstract We read with interest the comments by Krivo1 in a recent issue of the Archives about pigmentation demarcation lines (PDLs) and their relation to lines of Blaschko and cutaneous mosaicism. Krivo, who carefully reviewed the subject of PDLs in an article coauthored by Selmanowitz,2 considers now that PDLs follow lines of Blaschko, based on the diagrams published in the review by Bolognia et al.3 It is noteworthy that the latter authors did not consider PDLs as following lines of...
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Publisher
American Medical Association
Copyright
Copyright © 1997 American Medical Association. All Rights Reserved.
ISSN
0003-987X
eISSN
1538-3652
DOI
10.1001/archderm.1997.03890470139025
Publisher site
See Article on Publisher Site

Abstract

Abstract We read with interest the comments by Krivo1 in a recent issue of the Archives about pigmentation demarcation lines (PDLs) and their relation to lines of Blaschko and cutaneous mosaicism. Krivo, who carefully reviewed the subject of PDLs in an article coauthored by Selmanowitz,2 considers now that PDLs follow lines of Blaschko, based on the diagrams published in the review by Bolognia et al.3 It is noteworthy that the latter authors did not consider PDLs as following lines of Blaschko. The origin of PDLs has been addressed in studies by Miura4 and Dupré et al.5 Their conclusions were some- what different because the topography of PDLs was assigned to the axial lines of Sherrington. Those virtual lines, well studied by neurologists,6 correspond to a subset of lines of Voigt, which separate dermatomes arising from nonconsecutive dorsal roots (Figure). The lines may become visible only when References 1. Krivo JM. How common is pigmentary mosaicism? Arch Dermatol. 1997;133: 527-528.Crossref 2. Selmanowitz VJ, Krivo JM. Pigmentary demarcation lines . Br J Dermatol. 1975; 93:371-377.Crossref 3. Bolognia JL, Orlow SJ, Glick SA. Lines of Blaschko . J Am Acad Dermatol. 1994; 31:157-190.Crossref 4. Miura O. On the demarcation lines of pigmentation observed among the Japanese, on inner sides of their extremities and on anterior and posterior sides of their medial regions . Tohoku J Exp Med. 1951;54:135-140.Crossref 5. Dupré A, Maleville J, Lassere J, Aillos O. Les dermatoses axiales . Ann Dermatol Venereol. 1977;104:304-308. 6. Schliack H. Segmental innervation and the clinical aspects of spinal nerve root syndromes . In: Vinken, Bruyn, eds. Handbook of Clinical Neurology . New York, NY: John Wiley & Sons Inc; 1969:157-170.

Journal

Archives of DermatologyAmerican Medical Association

Published: Nov 1, 1997

References