What does neurotic mean when describing a tumor on CT scan?

It sounds like there might be a typo in the report - "necrotic" is likely what was meant, which refers to tissue that has died due to lack of blood supply. This can sometimes happen within tumors and is important information for your medical team to evaluate. Consider reaching out to your doctor or care team to clarify the exact wording and discuss what this finding means for your specific situation and treatment plan.