A member asked:

How to differentiate primary tumor cells from cells of metastases?

A doctor has provided 1 answer
Dr. Myron Arlen answered

Specializes in Surgical Oncology

primary tumor cells are well defined, arising in the organ that initiates the lesion. A cancer of the breast when biopsied shows adenoca cells of breast origin. When metastatic to liver or lung, biopsy will show the same cells as the primary . If the lesion arises in the liver it is not metastatic in terms of cells seen but liver tumor cells or hepatoma.

Answered Jun 26, 2014

3.9k views

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