Histopathology · 2011
Malignant potential of oral and labial chronic discoid lupus erythematosus: a clinicopathological study of 87 cases.
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Liu Wei, Shen Zheng-Yu, Wang Li-Jia, Hu Yu-Hua, Shen Xue-Ming, Zhou Zeng-Tong, Li Jiang
Аннотация
AIMS: To investigate clinicopathological features and identify clinicopathological risk factors for the malignant transformation of oral and labial chronic discoid lupus erythematosus (DLE) in a relatively large number of patients from China.
METHODS AND RESULTS: A total of 87 patients with clinical and histopathological diagnosis of DLE between 1993 and 2009 were reviewed retrospectively in our hospital. The average age at diagnosis was 51.7 years, with a male:female ratio of 1:1.8. The lower lip was the most common site (71.3%). We documented six DLE patients with malignant transformation. On univariate analysis, patients with high-risk dysplasia (P = 0.002) or aged >60 (P = 0.045) were associated with DLE malignant transformation, but gender, lesion site, smoking and alcohol intake were not risk factors. On multivariate analysis, high-risk dysplasia was a significant indicator for DLE malignant transformation. High-risk dysplasia was associated with a 14.24-fold [95% confidence interval (95% CI), 1.97-102.88; P = 0.008] increased risk of malignant transformation, compared with non/low-risk dysplasia.
CONCLUSIONS: The utilization of high-risk dysplasia as a significant indicator for evaluating malignant transformation risk in patients with DLE is suggested, which may be helpful to guide treatment selection.
METHODS AND RESULTS: A total of 87 patients with clinical and histopathological diagnosis of DLE between 1993 and 2009 were reviewed retrospectively in our hospital. The average age at diagnosis was 51.7 years, with a male:female ratio of 1:1.8. The lower lip was the most common site (71.3%). We documented six DLE patients with malignant transformation. On univariate analysis, patients with high-risk dysplasia (P = 0.002) or aged >60 (P = 0.045) were associated with DLE malignant transformation, but gender, lesion site, smoking and alcohol intake were not risk factors. On multivariate analysis, high-risk dysplasia was a significant indicator for DLE malignant transformation. High-risk dysplasia was associated with a 14.24-fold [95% confidence interval (95% CI), 1.97-102.88; P = 0.008] increased risk of malignant transformation, compared with non/low-risk dysplasia.
CONCLUSIONS: The utilization of high-risk dysplasia as a significant indicator for evaluating malignant transformation risk in patients with DLE is suggested, which may be helpful to guide treatment selection.