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Medical Term Ch 5
Integumentary System - Tumor Grading
| Question | Answer |
|---|---|
| Grade I Tumor cells well differentiated | Close resemblance to tissue of origin, thus, retaining some specialized functions. |
| Grade II Tumor cells moderately differentiated | Less resemblance to tissue of origin. More variation in size and shape of tumor cells. Increased mitoses. |
| Grade III Tumor cells poorly to very poorly differentiated | Only remotely resembles tissue of origin. Marked variation in shape and size of tumor cells. Greatly increased mitoses. |
| Grade IV Tumor cells very poorly differentiated | Little or no resemblance to tissue of origin. Extreme variation in size and shape of tumor cells. |