Sample results
Bone metastases occur when cancer cells spread from the original tumor site to the bones. This process disrupts normal bone metabolism and accelerates bone breakdown through increased osteoclast activity. The C-Telopeptide Serum test is the most important test for monitoring bone destruction caused by metastatic cancer.
Bone metastases are caused by cancer cells that break away from the original tumor and travel through the bloodstream or lymphatic system to the bones. Cancers that commonly spread to bones include breast cancer, prostate cancer, lung cancer, kidney cancer, and thyroid cancer. Once cancer cells reach the bone, they disrupt the normal balance between bone formation and bone breakdown, often causing increased bone destruction by activating osteoclasts (cells that break down bone tissue).
The C-Telopeptide Serum test is the most important blood test for monitoring bone metastases because it measures specific protein fragments released when bone tissue is broken down. When cancer spreads to the bones, it dramatically increases bone resorption, causing elevated C-telopeptide levels in the blood. While imaging studies like bone scans, CT scans, and MRI are required to diagnose bone metastases, the C-Telopeptide test is essential for tracking disease progression, evaluating how well bone-protective treatments are working, and assessing the overall extent of bone involvement throughout cancer treatment.
You should get tested if you have been diagnosed with cancer that commonly spreads to bones and are experiencing new bone pain, unexplained fractures, or sudden back pain that worsens over time. Testing is also important if you notice increasing pain in your hips, spine, ribs, or thighs, or if you develop numbness or weakness in your legs. Your oncologist may recommend regular C-Telopeptide monitoring to track bone health throughout cancer treatment, especially if you are receiving bone-protective therapies like bisphosphonates or denosumab.
What this means
Your testosterone levels are slightly below the optimal range. While this is not necessarily cause for concern, it may contribute to occasional fatigue, reduced motivation, or lower muscle mass over time.
Recommended actions
Increase resistance or strength training
Prioritize 7–8 hours of quality sleep per night, try to reduce stress
Include more zinc- and magnesium-rich foods (like shellfish, beef, pumpkin seeds, spinach)
Consider retesting in 3–6 months
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Sample results
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