Chordoma is a rare, slow-growing bone tumor that forms from leftover notochord tissue, the structure that guides spine development before birth. It can appear at the base of the skull or lower down along the spine and tailbone, and because it sits so close to nerves and critical structures, treatment usually means complex surgery followed by high-dose radiation. A study of 100 people who had undergone chordoma surgery, none of whom had a prior history of depression, set out to measure how much emotional weight this specific, uncommon diagnosis adds, and found a pattern shaped less by chordoma as a single disease and more by exactly where it sits and how well a person is physically getting by.
What Research Shows
Researchers evaluated 100 chordoma patients, averaging 42.7 years old, most of them married, who had completed surgery an average of over five years earlier. None had a history of depression before their diagnosis. Using a standard clinical depression scale, the study found that 33 of the 100 patients, about a third, met criteria for depression after their chordoma experience, a notably higher share than the roughly 20% depression rate typically reported across cancer patients generally. The strongest single predictor was physical functioning: patients with a lower performance status, meaning more day-to-day physical limitation, were far more likely to be depressed, 25 of 33 depressed patients had this lower functioning compared to only 8 of the 67 who weren't depressed.
Coping With Chordoma's Emotional Toll
- Know that a third of patients in this study developed depression with no prior history This research specifically excluded anyone with a past depression diagnosis, so the 33% rate reflects new, treatment-related depression. If low mood has shown up only since your diagnosis or surgery, this study suggests you are far from alone.
- Pay closer attention if your tumor was in the tailbone or lower spine rather than the skull base Patients with sacrococcygeal chordoma, tumors near the tailbone, had depression at more than twice the rate of those with skull-base chordoma in this study. If this describes your situation, it may be worth naming this risk directly with your care team.
- Raise physical limitations with your medical team, not just your mood Lower physical performance status was the strongest single factor linked to depression in this research. Addressing physical function through rehabilitation or physical therapy may be as relevant to emotional recovery as directly treating mood.
- Don't assume radiation therapy will also lift your mood Postoperative radiation was independently linked to a higher likelihood of depression in this study, and the researchers found no meaningful improvement in mood or quality of life after it was completed. Radiation can be medically necessary for tumor control while still leaving emotional needs unaddressed, and both deserve separate attention.
- Notice if your emotional wellbeing lags behind your physical recovery Among all the areas of quality of life measured, emotional functioning scored the lowest, below physical, social, and role functioning. Feeling emotionally stuck even as other parts of life move forward is a pattern this research actually documented.
Why Location and Physical Function Matter So Much
One of the clearest findings in this study is how much a chordoma's exact location shapes emotional risk. People with sacrococcygeal chordoma, tumors near the tailbone and lower spine, were far more likely to screen positive for depression than those with skull-base tumors, 13 of 21 compared with 20 of 79. Being single or divorced also carried meaningfully higher risk than being married, and experiencing weight loss or living in a rural area were both linked to higher depression rates as well. When researchers looked at which factors independently predicted depression, two stood out above the rest: lower physical performance status and having received postoperative radiation therapy, suggesting that both physical capacity and the treatment path itself shape emotional outcomes in ways that go beyond the diagnosis alone.
A Treatment Paradox Worth Understanding
Postoperative radiation therapy is often necessary to reduce the risk of chordoma recurrence, and most patients in this study received it. Yet the research found that undergoing this radiation was itself independently associated with a higher likelihood of depression, and crucially, the researchers found no meaningful improvement in depression or overall quality of life once radiation was completed. In other words, a treatment that is genuinely important for controlling the tumor did not translate into feeling better emotionally. This is not a reason to avoid necessary treatment, but it is a reason to expect that finishing radiation may not bring the emotional relief it's natural to hope for, and to seek that support elsewhere and separately.
Practical Steps
- Ask your care team directly about depression screening, even years after surgery The average follow-up time in this study was over five years, and depression was still present in a third of patients at that distance from treatment. This isn't only an early-recovery issue.
- If you have sacrococcygeal chordoma, consider mentioning the added risk by name This study found depression rates above 60% in patients with tailbone-area tumors, more than double the rate in skull-base chordoma. Naming this specific risk can help your team watch for it proactively.
- Track physical functioning changes and report them, not just mood changes Physical performance status was the single strongest predictor of depression in this research. A decline in daily physical capability is worth flagging early, both for physical and emotional reasons.
- Seek emotional support as a separate track from tumor-focused treatment Because radiation didn't improve mood in this study despite being medically necessary, consider lining up counseling, support groups, or other emotional care independently of your cancer treatment timeline.
- If you're single or divorced, know this was a measurable risk factor here, not a personal failing Patients who were single or divorced had notably higher depression rates than married patients in this study. This reflects a documented pattern around social support, not something wrong with you.