Study on the Optimization Scheme of Image quality and radiation dose in Children's tumor PET/CT Imaging at low dose

Optimization of image quality and radiation dose for PET/CT imaging of retroperitoneal neuroblastoma in children at low dose

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2200061386

Enrollment

Unknown

Registered

2022-06-22

Start date

2021-05-01

Completion date

Unknown

Last updated

2023-04-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Malignant tumors in children

Interventions

80kV/20-40mA/NI8:no

80kV/40-60mA/NI8:no

80kV/60-80mA/NI8:no

80kV/20-40mA/NI12:no

80kV/40-60mA/NI12:no

80kV/60-80mA/NI12:no

80kV/20-40mA/NI14:no

80kV/40-60mA/NI14:no

80kV/60-80mA/NI14:no

120kV/20-40mA/NI8:no

120kV/40-60mA/NI8:no

120kV/60-80mA/NI8:no

120kV/20-40mA/NI12:no

120kV/40-60mA/NI12:no

120kV/60-80mA/NI12:no

120kV/20-40mA/NI14:no

120kV/40-60mA/NI14 :no

120kV/60-80mA/NI14:no

120s/0.08(mCi/kg):no

120s/0.12(mCi/kg):no

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: ? age 5-9 years old, height 97.5cm-110cm, weight 14.5kg-18.5kg; ? liver and gallbladder were normal, no lesions were involved.

Exclusion criteria

Exclusion criteria: Patients with diabetes or fasting blood glucose = 11.1mmol/L and those who could not cooperate to complete PET-CT imaging were excluded.

Design outcomes

Primary

Measure	Time frame
Noise standard deviation(CT);Coefficient of Variation;	—

Countries

CHINA

Contacts

Public ContactSongke Yu

silentbosskeer@gmail.com+86 15310085631

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 11, 2026