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  • Title: Role of esophageal brushing cytology in monitoring patients treated with sclerotherapy for esophageal varices.
    Author: Dina R, Cassisa A, Baroncini D, D'Imperio N.
    Journal: Acta Cytol; 1992; 36(4):477-9. PubMed ID: 1636337.
    Abstract:
    Recent reports claim that there might be a relationship between sclerotherapy for esophageal varices and cancer of the esophagus. The discovery of a squamous cell cancer of the lower esophagus in a patient treated three years previously with sclerotherapy led us to set up a follow-up protocol. In order to assess this relationship and to monitor the evolution of such lesions, 68 patients treated with sclerotherapy with polidocanol because of esophageal varices were examined endoscopically at six-month intervals, and brushing samples were taken. The ages of the patients ranged between 35 and 81 years, and all had portal hypertension due to cirrhosis; 10 patients with the same disease but without bleeding varices were also examined. The interval between sclerotherapy and the first cytologic follow-up examination averaged 34 months, while the interval to the last follow-up examination averaged 40 months. One patient was examined four times (1.4%), 10 three times (14.7%), 39 twice (57.4%) and 18 only once (26.5%). Two cases were interpreted as nuclear hyperplasia associated with inflammation and were found to have regressed at a subsequent examination; all the other cases were reported as negative although sometimes associated with inflammation. None of the controls showed any abnormalities. While the occurrence of esophageal cancer after sclerotherapy might be associated with other risk factors, such as alcohol intake and smoking, esophageal brushing cytology can successfully monitor these patients and detect early stages of neoplasia.
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