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Vulvovaginal Pellagra and Lichen Sclerosus Complicating Carcinoid Syndrome

Reichman, Orna MD; Sobel, Jack D. MD

Obstetrics & Gynecology:
doi: 10.1097/AOG.0b013e318191bb51
Case Reports
Abstract

BACKGROUND: Pellagra is a rare clinical syndrome caused by niacin deficiency, and although most commonly nutritional in origin, may be secondary to carcinoid syndrome.

CASE: A premenopausal nulliparous woman with metastatic carcinoid tumor developed isolated vulvovaginal manifestations characterized by well-demarcated symmetrical vulvar erythema, mild scaling, ulcerations, and dyspareunia. Tryptophan levels were low. Treatment with nicotinamide resulted in dramatic improvement; however, after 2 years of effective treatment, she developed lichen sclerosus.

CONCLUSION: Patients with carcinoid tumor presenting chronic vulvar lesions should be evaluated for pellagra. Subsequent development of lichen sclerosus at the site of vulvar dermatosis may be a feature of the “Koebner phenomenon,” which describes appearance of lichen sclerosus in scarred areas or sites prone to friction.

In Brief

Patients with carcinoid tumor presenting chronic vulvar lesions should be evaluated for pellagra.

Author Information

From the Division of Infectious Diseases, Wayne State University School of Medicine, Detroit, Michigan.

Corresponding author: Orna Reichman, MD, Division of Infectious Diseases, Harper University Hospital, 3990 John R, Detroit, MI 48201; e-mail: Orna.reich@gmail.com.

Financial Disclosure The authors did not report any potential conflicts of interest.

© 2009 by The American College of Obstetricians and Gynecologists.