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Hodgkin's disease. Treatment of the young child
1Department of Radiation Oncology, Stanford University Medical Center, California.
Insights
Younger patients diagnosed with Hodgkin's disease have better cure rates and survival outcomes. Treatment aims to maximize quality of life and minimize complications for children, focusing on specialized care.
Area of Science:
- Pediatric Oncology
- Hematology
- Clinical Research
Background:
- Age is a critical prognostic factor in Hodgkin's disease.
- Younger patients generally experience better outcomes compared to adults.
- Histologic and stage variations exist across different age groups.
Purpose of the Study:
- To analyze the impact of age on Hodgkin's disease prognosis and survival.
- To evaluate treatment strategies and outcomes in pediatric Hodgkin's disease.
- To highlight the unique challenges and considerations in managing pediatric Hodgkin's disease.
Main Methods:
- Retrospective analysis of patient data based on age at diagnosis.
- Comparison of relapse-free survival and overall survival rates across age cohorts.
- Review of treatment protocols, including low-dose radiation and chemotherapy, for younger children.
Main Results:
- Patients diagnosed at younger ages (<10 and 11-16 years) showed significantly higher relapse-free survival (80% and 74%) and 26-year survival (74%) compared to adults (64% and 37%).
- These age-related differences persisted across different disease stages.
- Survival rates of 85% or greater are achievable in younger children with appropriate treatment, such as low-dose radiation and multiagent chemotherapy.
Conclusions:
- Age at diagnosis is a significant determinant of cure rate and survival in Hodgkin's disease.
- Pediatric Hodgkin's disease requires tailored treatment approaches to maximize cure rates while minimizing long-term sequelae like skeletal abnormalities and sterility.
- Management in specialized regional centers is crucial for optimizing outcomes and quality of life in children with Hodgkin's disease.
Abstract:
Age of a patient when afflicted with Hodgkin's disease is an important prognostic factor. Although there are histologic and stage differences as a function of age, the younger a patient is when diagnosed, the better the cure rate. Youngsters less than age 10 years have a freedom from relapse of 80% at 26 years follow-up examination; adolescents in the 11 to 16 age group have a freedom from relapse or 74%; and adults aged 17 years or older have a freedom from relapse of 64%. These differences translate into significant survival differences as well, with children aged 10 years or younger and those aged 11 to 16 years having a 26-year survival of 74%, as compared to adults, who have a 37% survival (P = 0.003). These differences remain significant when comparing those with stage I and II disease, as opposed to those with advanced stage III and IV disease. Children present the greatest challenges with respect to staging and treatment. The older child with localized disease can be managed appropriately as an adult. However, for the younger child the use of low-dose radiation and multiagent chemotherapy is widely accepted. Using this approach, survival rates of 85% or greater are reported from many large institutional and cooperative group experiences. The goals of treatment today are cure of disease, with maximal quality of life and minimal complications from the treatment. The late effects of greatest importance to the youngest children are skeletal and bone growth abnormalities, sterility, and malignant tumor induction. Treatment programs today should be directed towards refining therapy to minimize sequelae while maximizing quality of life. These goals are best achieved when children are managed in regional centers with demonstrated expertise in the management of children with Hodgkin's disease. Whereas cure can be achieved in a large majority of children diagnosed with Hodgkin's disease, our challenge is cure, with the least sequelae and the greatest quality of life. "Children are not simply micro-adults, but have their own specific problems."