Some investigations have shown that evidence of epithelial tumor cells in bone marrow is a relevant prognostic factor in various solid tumors. However there is a lack of data concerning the value of detection methods for epithelial cells in the serum of cancer patients.
Charité, Campus Virchow-Klinikum, Department of Obstetrics and Gynaecology, Medical Faculty, Humboldt University, Augustenburger Platz 1, 13353 Berlin, Germany. sehouli@aol-com