Eclipse v18 introduces Plan Checker Extensions, enabling developers to create fully custom automated plan QA rules beyond Varian’s built-in checks. This post explores how Plan Checker extensions inherit from CheckBase, integrate with custom Plan Checker plugins, and encode institution-specific tolerances and logic directly into the planning workflow as part of the new V18 plan checking framework.

Eclipse v18 introduces the Varian Plan Checker, a built-in tool for standardized plan review and documentation. Learn how to create custom Plan Checker plugins, combine information, manual, regex, and automatic checks, and integrate clinical rules directly into the planning workflow. Includes a full open-source example to help clinics build their own institutional plan QA.

Learn how to build Script Approval Extensions in ESAPI 18.1 to automate plan checks during Eclipse approval. This step-by-step example validates heterogeneity correction and prescription accuracy, demonstrating how approval extensions improve safety, consistency, and automation in radiation therapy planning.