Table 1.

RT indications, age at RT exposure, and latencies

Primary diagnosisNumber of patientsMedian age at RT (range, y)Median latency, y (IQR)
Nonmalignant* 21 (7-40) 6 (3-10) 
Hematologic cancer 45 (32-51) 2 (2-4) 
Solid tumor    
Prostate/testicular 44 69 (41-80) 6 (3-9) 
Breast 31 64 (32-83) 6 (3-9) 
Gynecologic 15 55 (20-82) 8 (3-11) 
Head and neck 61 (47-64) 9 (2-15) 
Thyroid 58 (0-77) 32 (18-46) 
Lung 66 (58, 73) 
Medulloblastoma <1 45 
Total 109 64 (0-83) 6.5 (3-11) 
Primary diagnosisNumber of patientsMedian age at RT (range, y)Median latency, y (IQR)
Nonmalignant* 21 (7-40) 6 (3-10) 
Hematologic cancer 45 (32-51) 2 (2-4) 
Solid tumor    
Prostate/testicular 44 69 (41-80) 6 (3-9) 
Breast 31 64 (32-83) 6 (3-9) 
Gynecologic 15 55 (20-82) 8 (3-11) 
Head and neck 61 (47-64) 9 (2-15) 
Thyroid 58 (0-77) 32 (18-46) 
Lung 66 (58, 73) 
Medulloblastoma <1 45 
Total 109 64 (0-83) 6.5 (3-11) 
*

Nonmalignant conditions include thyroid pathology (n = 3), hydatidiform mole (n = 1), and acne (n = 1).

Primary hematologic malignancies included Hodgkin lymphoma (n = 3) and non-Hodgkin lymphoma (n = 1).

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