Modified Macdonald Tumor Response Criteria

**Semantic type:** Intellectual Product

**Definition:** A response criteria for high-grade gliomas that utilizes measurements of contrast enhancing tumor size combined with corticosteroid dosing levels and other clinical metrics to determine treatment response and tumor progression, with response stratified into four categories: complete response (CR), partial response (PR), stable disease (SD), and progressive disease (PD).

**Synonyms:** - Modified Macdonald - Modified Macdonald