CTC Conversion Formula
Written by Lisbeth Roy
Updated at February 18th, 2025
Cells/mL vs Cells/7.5 mL vs Cells/6.5 mL
Sarcoma Conversion Formula:
- Cells/mL = ((cells/6.5 mL x 5)/sqr2) x0.21
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Example 1:
Converting 4.6 cells/6.5 mL to cells/mL ((4.6 x 6.5)/1.414) x 0.21 = 4.4 cells/mL -
Example 2:
Converting 4.4 cells/mL to cells/6.5 mL ((4.4/0.21) x 1.414)/6.5 = 4.6 cells/6.5 mL
Breast Cancer Conversion Formula:
- Cells/mL = ((cells/7.5 mL x 5)/sqr2) x 0.175
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Example 1:
Converting 3.8 cells/7.5 mL to cells/mL: ((3.8 x 7.5)/1.414) x 0.175 = 3.52 cells/mL -
Example 2:
Converting 3.52 cells/mL to cells/7.5 mL: ((3.52/0.175) x 1.414)/7.5 = 3.8 cells/7.5 mL