C. Lenore Simpson · Cancer 1957 · retrospective cohort study · n=?

The association of tumors and roentgenray treatment of the thorax in infancy

Cited 180 times in the scientific literature.

Level 3 - non-randomized controlled study

Cohort follow-up study evaluating long-term outcomes after infant radiation exposure

OpenAlex W2078201226 · doi:10.1002/1097-0142(195701/02)10:1<42::aid-cncr2820100105>3.0.co;2-0 · record verified 2026-08-26

What was done

The authors investigated late adverse effects, specifically tumor development, in a cohort of individuals who received thoracic roentgen-ray (radiation) therapy during infancy for alleged or prophylactic enlargement of the thymus gland. The abstract reviews the historical context of thymic irradiation and the limitations of previous small follow-up studies.

What was found

The abstract provides background context and critiques earlier literature but reports no numerical data, risk estimates, or specific findings from the authors' own investigation.

Why it matters

Thoracic radiation was widely administered to infants in the early 20th century under the superseded concept of status thymicolymphaticus; systematic follow-up studies were critical to identifying subsequent radiation-induced malignancies.

Limits

The provided abstract excerpt does not report sample size, duration of follow-up, comparison groups, or tumor incidence rates. Historical exposure parameters and clinical indications were heterogeneous and poorly standardized.

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