Abstract
Background
Few reports of palliative radiotherapy (RT) for pedialltric malignancies have been published. We described clinical indications, outcomes, and toxicities for children who received palliative RT.
Procedure
Pediatric patients (age ≤18 years) treated with palliative RT for incurable cancer from January 1 2008 to February 26, 2014 were included. Diagnosis, details of RT, treatment response, toxicity, and survival were retrospectively reviewed.
Results
Forty-six patients received 76 RT courses. Fifteen patients (33%) had ≥2 courses. Median age at palliative RT was 10.3 years; 54% were male. The most common diagnoses were neuroblastoma (20%) and diffuse intrinsic pontine glioma (17%). The most common indications for RT were oligometastatic disease in asymptomatic patients (39%) and pain (25%). The most common treatment sites were brain (32%) and bone (29%). Median RT dose was 30 Gy. Median number of RT fractions was 12. Sixty-five treatment courses (86%) were delivered with fraction sizes ≥2.5 Gy. Twenty-seven treatment courses (36%) were given under general anesthesia. Median follow-up was 3.9 months. Grade 1–2 RT-related toxicity occurred in 21% of treatment courses and 4–8% up to 12 months after RT. Two patients had Grade 3 toxicity during RT (esophagitis). Of symptomatic patients, 91%, 73%, 58%, and 43% had improved or stable symptoms during RT and 0–3, 3–6, and 6–12 months afterwards, respectively. Median survival after palliative RT was 4.2 months. Four of 21 surviving patients (19%) had hospice care at last follow-up.
Conclusions
Palliative RT was well tolerated in children with incurable malignancies, with most cases associated with acceptable toxicity, and improved or stable symptoms.
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