Service

ACR ACCREDITATION

SPECT AND PET

Camera Evaluation & Other Tests

Initially or Annually

 

CAMERA, SPECT or PET, DOSE CALIBRATOR AND UPTAKE PROBE PERFORMANCE TESTS

 

Intrinsic Uniformity

System Uniformity

Intrinsic or System Spatial Resolution

Sensitivity

Energy Resolution

Count Rate Parameters

Formatter/Video Display

Overall System Performance for SPECT Systems

System Interlocks

Dose Calibrators

Review leak test records

Thyroid Uptake and Counting Systems

Image Documentation

 

ACR PET- PET/CT CAMERA PERFORMANCE TESTS - Initially/Annually

 

Spatial resolution (radial, tangential, and axial).

 

Count rate performance, including count loss correction factor.

                        System dead time

                        Count rate versus activity

                                      Prompt coincidences

                                      Random coincidences

                                      Background coincidences

                                      Net true coincidences

           

Sensitivity (cps/MBq/ml) in two-dimensional (2D) and three-dimensional (3D) modes as applicable.

           

                     Uniformity (plane-by-plane in 2D and 3D modes as applicable).

           

                     Attenuation-correction calibration accuracy (quantification).

 

                     Linearity of bed motion.

 

Reproducibility of transmission rod motion (extension and retraction) as applicable.

 

Reproducibility of lead septa motion (extension and retraction) as applicable.

           

   Image contrast and full system test (phantom scan).

 

  Reproducibility and accuracy of standardized uptake value (SUV) as applicable.  

 

CHARACTERISTICS MONITORED FOR CT

 

                        Alignment light accuracy.

           

                        Alignment of table to gantry.

           

                        Multiple-row detector assembly and available scan modes.

           

   Slice localization from scanned projection radiograph (localization image).

           

                        Table increment accuracy.

           

                        Slice thickness.

 

                        Image quality.

 

                        CT number accuracy and linearity.

           

                        Display devices.

           

                                    Image display monitor(s)

                                    Hard-copy display unit(s), if available

           

                        Dosimetry.

           

                                    CT dose index (CTDI)

                                    Patient radiation dose for representative examinations

           

                        Safety evaluation.

           

                                    Visual inspection

                                    Work load assessment

                                    Scatter and stray radiation measurements (if work load and other related parameters have changed since acceptance testing)

                                    Audible and visual signals

                                    Posting requirements

           

                        Other tests as required by state and/or local regulations. 

SPECIFIC TESTS FOR PET-CT

 

Accuracy of co-registration will be determined by established procedure.

 

Patient radiation dose:  CT only

 

Organ doses from radiopharmaceuticals:  PET only

 

Nuclear medicine technologist's quality control tests / amp

 

Quarterly reviews.

 

Full ACR annual audits on site

 

 

Please contact us at 216-663-7000 to discuss our services.

ACR

 

ACCREDITATION

 

SPECT

 

AND

 

PET

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