1. What is the TC Calculator for Breast Cancer Screening?

The TC (Tyrer-Cuzick) calculator estimates a woman's lifetime risk of developing breast cancer based on personal and family history factors. It helps guide screening recommendations and preventive strategies.

2. How Does the Calculator Work?

The calculator sums risk factors:

Where risk factors include:

• Age (increasing risk with older age)
• Family history of breast cancer
• Early menarche (before age 12)
• Late first birth or nulliparity
• Number of breast biopsies

Explanation: Each factor contributes points to the total score, with higher scores indicating greater risk.

3. Importance of TC Score Calculation

Details: The TC score helps determine screening frequency (annual vs biennial mammography) and consideration of additional screening methods like MRI.

4. Using the Calculator

Tips: Enter accurate personal and family history information. Higher scores may warrant discussion with a healthcare provider about risk reduction strategies.

5. Frequently Asked Questions (FAQ)

Q1: What TC score indicates high risk?
A: Typically ≥20% lifetime risk is considered high risk, but consult your healthcare provider for personalized assessment.

Q2: How often should I recalculate my TC score?
A: Annually or when significant changes occur in personal or family history.

Q3: Does this calculator apply to men?
A: No, this is specifically for women's breast cancer risk assessment.

Q4: What if I don't know some family history details?
A: The calculator will underestimate risk without complete information. Try to gather as much family history as possible.

Q5: What should I do with my TC score results?
A: Share them with your healthcare provider to discuss appropriate screening and prevention strategies.