Clinical oncology (Royal College of Radiologists (Great Britain)) · 2009
Incidence and correlates of radiation dermatitis in children and adolescents receiving radiation therapy for the treatment of paediatric sarcomas.
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Krasin M J, Hoth K A, Hua C, Gray J M, Wu S, Xiong X
Аннотация
AIMS: To investigate the relationship between the maximum grade of skin toxicity, radiation dose and clinical variables in children receiving treatment for sarcomas involving the bone and soft tissue.
MATERIALS AND METHODS: Between January 2003 and July 2006, 82 patients with musculoskeletal tumours on an Institutional Review Board (IRB)-approved prospective study at St. Jude Children's Research Hospital received three-dimensional conformal or intensity-modulated radiation therapy for local tumour control. Radiation dermatitis was graded according to the National Cancer Institute's Common Toxicity Criteria version 2.0 during and after radiation therapy. The dose to the skin was calculated for each patient from the radiation treatment plan.
RESULTS: The radiation doses delivered to the primary tumour ranged from 4140 to 7020cGy, with a mean dose of 5040cGy. The maximum recorded grade of skin toxicity was: grade 0: seven patients (8.6%); grade 1: 26 patients (31.7%); grade 2: 37 patients (45.1%); grade 3: 10 patients (12.2%); grade 4: two patients (2.4%). A significant association for increased grade of skin toxicity was observed between dose (P<0.01), volume of skin treated above 4000cGy (P=0.03), use of a bolus (P<0.01), Caucasian race (P<0.01) and related pain (P<0.01).
CONCLUSIONS: These findings suggest that the delivered dose, use of a bolus, the volume treated, and race may be used in the clinical setting to predict patients at risk for skin toxicity. Alterations in treatment technique and early therapeutic intervention may help to reduce or eliminate radiation-induced skin side-effects and associated pain.
MATERIALS AND METHODS: Between January 2003 and July 2006, 82 patients with musculoskeletal tumours on an Institutional Review Board (IRB)-approved prospective study at St. Jude Children's Research Hospital received three-dimensional conformal or intensity-modulated radiation therapy for local tumour control. Radiation dermatitis was graded according to the National Cancer Institute's Common Toxicity Criteria version 2.0 during and after radiation therapy. The dose to the skin was calculated for each patient from the radiation treatment plan.
RESULTS: The radiation doses delivered to the primary tumour ranged from 4140 to 7020cGy, with a mean dose of 5040cGy. The maximum recorded grade of skin toxicity was: grade 0: seven patients (8.6%); grade 1: 26 patients (31.7%); grade 2: 37 patients (45.1%); grade 3: 10 patients (12.2%); grade 4: two patients (2.4%). A significant association for increased grade of skin toxicity was observed between dose (P<0.01), volume of skin treated above 4000cGy (P=0.03), use of a bolus (P<0.01), Caucasian race (P<0.01) and related pain (P<0.01).
CONCLUSIONS: These findings suggest that the delivered dose, use of a bolus, the volume treated, and race may be used in the clinical setting to predict patients at risk for skin toxicity. Alterations in treatment technique and early therapeutic intervention may help to reduce or eliminate radiation-induced skin side-effects and associated pain.