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Arc-Shaped Furrow on the Forehead Extending From Linear Alopecia on the Vertex

Educational Objective
Based on this clinical scenario and the accompanying image, understand how to arrive at a correct diagnosis.
1 Credit CME

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Article Information

Corresponding Author: Kyung-Hwa Nam, MD, PhD, Department of Dermatology, Jeonbuk National University Medical School, 20 Geonji-ro, Deokjin-gu, Jeonju 54907, South Korea (kyung1212@hanmail.net).

Published Online: November 24, 2021. doi:10.1001/jamadermatol.2021.4714

Conflict of Interest Disclosures: None reported.

Additional Contributions: We thank the patient for granting us permission to publish this information.

References
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Nagai  Y , Ishikawa  O , Hattori  T , Ogawa  T .  Linear lupus erythematosus profundus on the scalp following the lines of Blaschko.   Eur J Dermatol. 2003;13(3):294-296.PubMedGoogle Scholar
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Mitxelena  J , Martínez-Peñuela  A , Cordoba  A , Yanguas  I .  Linear and annular lupus panniculitis of the scalp.   Actas Dermosifiliogr. 2013;104(10):936-939. doi:10.1016/j.ad.2012.12.014PubMedGoogle ScholarCrossref
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Park  SK , Yoo  HH , Yun  SK , Kim  HU , Park  J .  Geometric alopecia associated with lupus erythematosus panniculitis of the scalp: a case series of nine Korean patients.   Eur J Dermatol. 2018;28(3):399-400. doi:10.1684/ejd.2018.3269PubMedGoogle Scholar
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Lueangarun  S , Subpayasarn  U , Tempark  T .  Distinctive lupus panniculitis of scalp with linear alopecia along Blaschko’s lines: a review of the literature.   Int J Dermatol. 2019;58(2):144-150. doi:10.1111/ijd.14155PubMedGoogle ScholarCrossref
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Seitz  CS , Bröcker  EB , Trautmann  A .  Linear variant of chronic cutaneous lupus erythematosus: a clue for the pathogenesis of chronic cutaneous lupus erythematosus?   Lupus. 2008;17(12):1136-1139. doi:10.1177/0961203308092425PubMedGoogle ScholarCrossref
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Tan  SK , Tay  YK .  Linear atrophoderma of Moulin.   JAAD Case Rep. 2016;2(1):10-12. doi:10.1016/j.jdcr.2015.10.005PubMedGoogle ScholarCrossref
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Navarro-Triviño  FJ , Ortego Centeno  N .  Linear lupus panniculitis of the scalp with good response to thalidomide.   Lupus. 2019;28(11):1380-1382. doi:10.1177/0961203319873703PubMedGoogle ScholarCrossref
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Rongioletti  F , Rebora  A .  Annular and semicircular lipoatrophies: report of three cases and review of the literature.   J Am Acad Dermatol. 1989;20(3):433-436. doi:10.1016/S0190-9622(89)70053-0PubMedGoogle ScholarCrossref
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