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Fortschr Med. 1989 Jan 20;107(2):59-63.

[Bone marrow micrometastases in colorectal cancers].

[Article in German]


To date, the detection of individual micrometastases or disseminated tumor cells has not been possible with conventional diagnostic procedures. With the aid of new immunocytochemical investigation, however, histogenetically different cells can now be detected in the bone marrow. The monoclonal antibody, cytokeratin component 18, is most suitable for the detection of micrometastases from colorectal carcinoma. In 22 out of 82 patients with colorectal carcinoma, we were able to detect CK2-positive cells. The incidence of these "micrometastases" is represented as a function of primary tumor size, lymph node involvement, distant metastasis, and degree of malignancy of the tumor, age and sex of the patient, and tumor localization.

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