Pediatric Hodgkin's disease. I. Radiographic evaluation

Area of Science:

• Pediatric Oncology
• Diagnostic Imaging
• Radiology

Background:

• Hodgkin's disease is a cancer of the lymphatic system.
• Accurate pretreatment staging is crucial for effective pediatric cancer treatment.

Purpose of the Study:

• To evaluate the utility of various pretreatment roentgenographic examinations in staging pediatric Hodgkin's disease.
• To determine the effectiveness of imaging modalities in identifying disease extent in young patients.

Main Methods:

• Review of pretreatment roentgenograms (chest X-rays, tomography) and foot lymphography in 105 pediatric patients (<16 years) with Hodgkin's disease.
• Analysis of imaging findings stratified by age groups (1-10 and 11-15 years).
• Correlation of lymphography results with surgical-histologic findings in a subset of patients.

Main Results:

• Chest roentgenograms revealed abnormalities in 36% of younger children (1-10 years) and 77% of older children (11-15 years).
• Full-lung tomography was beneficial only for abnormal or equivocal chest films.
• Foot lymphography identified Hodgkin's disease in 20% of patients, with 98% accuracy when compared to surgical pathology.

Conclusions:

• Chest roentgenography is an essential initial imaging tool for pediatric Hodgkin's disease, with higher abnormality rates in adolescents.
• Foot lymphography demonstrates high diagnostic accuracy for staging.
• Routine skeletal, urinary, and gastrointestinal imaging provided limited diagnostic value in this cohort.