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  • Title: Histopathology of early esophageal carcinoma and squamous epithelial dysplasia.
    Author: Kuwano H, Baba K, Ikebe M, Adachi Y, Toh Y, Sugimachi K.
    Journal: Hepatogastroenterology; 1993 Jun; 40(3):222-5. PubMed ID: 8325586.
    Abstract:
    To examine the histogenesis of esophageal cancer and the pathological relationship between dysplasia and carcinoma of the esophagus, 44 cases of superficial esophageal carcinoma (restricted to within the submucosal layer) who received no pre-operative treatment were reviewed retrospectively. There were 40 dysplastic lesions in 17 cases (38.6%) and epithelial dysplastic lesions were classified into 6 with mild, 17 with moderate and 17 with severe, degrees of dysplasia. Although the continuity of dysplastic lesions with the carcinomatous areas was not frequent (35.0%), it was more often encountered in severe dysplasia than in moderate or mild dysplasia, suggesting some relationship between the severity of dysplasia and carcinoma. In the cases with a dysplastic lesion, multiplicity of squamous cell carcinoma was more frequently seen (p < 0.01), suggesting a multicentric occurrence of dysplastic lesions and carcinomas.
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