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imaging

PET-CT Tumor Screening

PET-CT tumor screening in China combines positron emission tomography with CT scanning to provide one of the most sensitive whole-body cancer detection methods available. China's major hospitals offer this advanced technology at competitive prices.

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Preparation
需提前预约（等待1-3周），检查前禁食4-6h，前3天避免剧烈运动
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Hospital Stay
门诊检查，当天完成
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Recovery
24小时内远离孕妇和婴幼儿，多喝水。无特殊恢复期
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Trip Duration
需提前1-3周预约，检查当天2-3h。报告1-2个工作日后出。建议停留2-3天

What Is PET-CT Screening?

PET-CT (Positron Emission Tomography combined with Computed Tomography) is an advanced imaging technique that detects metabolic activity in cells throughout the body. Cancer cells, which consume more glucose than normal cells, show up as 'hot spots' on the scan.

This technology is particularly valuable for whole-body cancer screening, staging known cancers, detecting recurrence, and evaluating treatment response.

  • Whole-body metabolic imaging in a single scan
  • Detects cancer at the cellular metabolic level
  • Combines functional (PET) and anatomical (CT) information
  • Can identify tumors too small to cause symptoms
  • Useful for staging, treatment monitoring, and follow-up
  • Scan takes approximately 30–60 minutes

What to Expect

A PET-CT scan requires careful preparation and takes several hours from arrival to departure, though the actual scan is relatively quick.

  • Fast for at least 6 hours before the scan
  • Blood glucose level checked before injection
  • Radioactive tracer (FDG) injected intravenously
  • Rest quietly for 45–60 minutes while tracer distributes
  • Scan takes 20–40 minutes
  • Results typically available within 1–3 days

💡 Avoid strenuous exercise for 24 hours before the scan, as muscle activity can affect glucose uptake and scan accuracy. Inform your doctor if you are diabetic, as blood sugar management requires special preparation.

Who Should Consider PET-CT Screening?

PET-CT is a powerful tool but is not recommended as a routine screening for the general population due to radiation exposure and cost.

  • High-risk individuals with strong family cancer history
  • Patients with known cancer for staging or restaging
  • Cancer survivors monitoring for recurrence
  • Individuals with suspicious findings on other tests
  • Those with elevated tumor markers without clear source
  • People with genetic cancer syndromes

Benefits of PET-CT in China

China has one of the largest networks of PET-CT scanners in the world, with top hospitals using the latest-generation equipment. The cost is significantly lower than in Western countries.

  • Latest-generation PET-CT scanners at major hospitals
  • Experienced nuclear medicine specialists
  • Cost of ¥7,000–15,000 ($1,000–$2,100) vs. $3,000–10,000 in the US
  • Short waiting times — often same-day or next-day appointments
  • Integrated with oncology departments for immediate specialist access

Risks & Considerations

PET-CT involves radiation exposure and should be used judiciously.

  • Radiation dose is significant — not suitable for frequent repeat scans
  • Not recommended for pregnant women or young children
  • False positives can occur with inflammation or infection
  • Some cancers (e.g., certain slow-growing tumors) may not show increased glucose uptake
  • Results should be interpreted alongside other clinical findings
  • Not a replacement for comprehensive cancer screening

What's Typically Included

  • Pre-screening medical history review and risk assessment
  • Blood glucose measurement (required for PET-CT accuracy)
  • 18F-FDG radiotracer injection
  • Whole-body PET-CT scan (conventional or total-body system)
  • Optional: Enhanced brain PET-CT for neurological assessment
  • Image interpretation by senior nuclear medicine physician
  • Detailed written report in English
  • Post-scan consultation with oncologist or radiologist
  • Optional: Tumor marker blood panel (complementary screening)
  • Optional: Combined MRI brain for comprehensive assessment
  • Follow-up recommendations for any detected abnormalities
  • CD/digital copy of all images for your records

Who Is This For?

High-risk individuals with family history of canceradults aged 45+ seeking comprehensive cancer screeningcancer survivors monitoring for recurrencepatients with suspicious findings on conventional imaging requiring further characterizationhealth-conscious individuals wanting the most thorough available screening.

Frequently Asked Questions

Is PET-CT safe?
PET-CT involves radiation exposure from both the CT scan and the radioactive tracer. The total dose is equivalent to about 3–5 years of natural background radiation. For appropriate clinical indications, the benefit of early detection outweighs this risk. However, it should not be used as a casual annual screening.
How much does a PET-CT scan cost in China?
A whole-body PET-CT scan typically costs ¥7,000–15,000 ($1,000–$2,100) at major Chinese hospitals, compared to $3,000–10,000 in the US. Prices vary by city and hospital tier.
Do I need a doctor's referral for PET-CT?
In China, PET-CT scans generally require a physician's order. Our coordination team can arrange a consultation with a nuclear medicine or oncology specialist who can evaluate your need for the scan and provide the necessary referral.
How should I prepare for the scan?
Fast for at least 6 hours before the scan. Avoid exercise for 24 hours prior. Drink plenty of water. Diabetics need special blood sugar management — consult with the hospital beforehand. Wear comfortable clothing without metal.
What if the scan finds something?
If the scan shows abnormal metabolic activity, you will be referred to the appropriate specialist for further evaluation. This may involve targeted biopsy, additional imaging, or blood tests. Not all abnormal findings are cancer — inflammation and infection can also show increased activity.

Ready to Get Started?

Our team can help you find the right hospital, arrange appointments, and coordinate your medical trip to China.

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