ACR Updates Clinical Image Testing Guidelines for PET

The American College of Radiology released revised clinical image testing guidelines for positron emission tomography (PET), effective June 10, 2026. The document updates image quality standards for PET accreditation, including phantom testing requirements.

• The revised document is part of ACR's Clinical Image Testing program, which sets standards for PET image quality and phantom accreditation.
• Effective date: June 10, 2026.
• Specific changes from the previous version were not detailed in the announcement.

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