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08-29-2002, 08:04 PM
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HysterSister
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Posts: 2,976
Hysterectomy: May 31st, 2001
Surgery Type: SAH
Ovaries: Removed both
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Need an explanation
 s Adrienne
Basically it is just a tumor grade.
I found this definition on a google search:
Once cancer has been confirmed, the pathologist tries to determine how closely the cancer cells resemble healthy, mature cells. Such cells are said to be differentiated. Cancer cells that do not look like their healthy counterparts are called undifferentiated, or, because they often look like very immature cells, primitive. The pathologist assigns a pathological grade to a tumor according to how aggressive the tissue looks under the microscope. Tumor grades can be expressed in words or
by a number. One set of terms consists of well differentiated (grade 1), moderately differentiated (grade 2), poorly differentiated (grade 3), or undifferentiated (grade 4). When tumors are graded by number (1 through 4), a grade-1 tumor has a better natural history than a grade-4 tumor does.
 karenann
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