Harlequin sign associated with Horner syndrome secondary to an 11 cm left upper lung lobe adenocarcinoma

• Yingjoy Li, BA,
• Deborah J. Moon, MD,
• Kenneth G. Linden, MD, PhD

Affiliations

Yingjoy Li, BA

Department of Dermatology, University of California Irvine, Orange, California

Deborah J. Moon, MD

Department of Dermatology, University of California Irvine, Orange, California

Kenneth G. Linden, MD, PhD

Correspondence to: Kenneth G. Linden, MD, PhD, Department of Dermatology, University of California Irvine, 101 The City Drive, South Orange, CA 92868.; Department of Dermatology, University of California Irvine, Orange, California