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  • Title: High prevalence of esophageal involvement in lichen planus: a study using magnification chromoendoscopy.
    Author: Quispel R, van Boxel OS, Schipper ME, Sigurdsson V, Canninga-van Dijk MR, Kerckhoffs A, Smout AJ, Samsom M, Schwartz MP.
    Journal: Endoscopy; 2009 Mar; 41(3):187-93. PubMed ID: 19280529.
    Abstract:
    BACKGROUND AND STUDY AIMS: The first cases of squamous cell carcinoma in esophageal lichen planus were recently described. We performed a study to establish the prevalence of endoscopic and histopathologic abnormalities consistent with lichen planus and (pre-) malignancy in a cohort of patients with lichen planus. PATIENTS AND METHODS: A total of 24 patients with lichen planus were prospectively studied using high-magnification chromoendoscopy. Focal esophageal abnormalities were mapped, classified, and biopsied. Biopsies were also taken from normal-appearing esophageal mucosa at three levels (proximal, middle, and distal). The presence of a lymphohistiocytic interface inflammatory infiltrate and Civatte bodies (i. e. apoptotic basal keratinocytes) at histopathologic examination was considered diagnostic for esophageal lichen planus. Symptoms were assessed using validated questionnaires. RESULTS: A total of 38 focal abnormalities were biopsied. These consisted of: layers of mucosa peeling off, hyperemic lesions, papular lesions, submucosal plaques/papules, a flat polypoid lesion, and segments of cylindrical epithelium. No endoscopic signs of dysplasia were present. Esophagitis consistent with gastroesophageal reflux disease was noted in 12 / 24 patients. Histopathology showed chronic inflammation of the esophageal mucosa in the majority (18 / 24) of patients. In 50 % (12 / 24), the diagnosis of esophageal lichen planus was made. Dysplasia was not present. There were no differences in symptoms between patients with and without esophageal lichen planus. CONCLUSIONS: At screening endoscopy a high prevalence (50 %) of esophageal lichen planus was found in patients with orocutaneous lichen planus. No dysplasia was found.
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