Cytology of esophageal washings.Evaluation of 364 cases

XFOLIATIVE cytology as a diagnostic aid in E diseases of the esophagus has come into use only recently. The pioneer work dealing with the subject is that of Andersen, McDonald, and Olsen,l* published in 1949, analyzing the findings in 150 cases. That series is the largest reported to date. Subsequently seceral other authors have reported like studies on material ranging from a single case to a series of seventy cases.3. 41 6-11, 13, 14, 18 Some of these reports appear merely as minor parts of more general work on the cytology of the upper alimentary tract.