Gamma probe detection in patients undergoing a PET scan

Gamma-probe cross talk from 18F-FDG in technetium-99m energy window

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

ISRCTN

Registry ID

ISRCTN29552671

Enrollment

Registered

2014-04-24

Start date

2014-02-15

Completion date

Unknown

Last updated

2019-09-02

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

Conditions

Cancer Cancer

Interventions

This study has been designed to look at the amount of cross talk between the gamma-probe signal from 18F-FDG and the gamma-probe signal from 99mTc. Patients that are about to have a routine PET-scanni

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1. Female patients = 18 years of age who are willing to participate in the study and who provide written informed consent 2. Patients receiving an intravenous 18F-FDG injection for a diagnostic PET-scan as part of routine care

Exclusion criteria

Exclusion criteria: Patients with high 18F-FDG uptake in the thoracic or axillary region. The PET-report will be reviewed the day after the PET-scan to identify these patients. Hence, these patients will be excluded retrospectively.

Design outcomes

Primary

Measure	Time frame
The highest and lowest measurement detected by the gamma probe in patients injected with 18F-FDG	—

Secondary

Measure	Time frame
No secondary outcome measures	—

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026