Radiation exposure during childhood increases risk of meningioma

the ONA take:

According to a new study published online in the journal Neuroscience Discovery, researchers at Loyola University Medical Center in Maywood, Illinois, researchers have found that exposure to radiation during childhood increases a person's risk for developing meningioma before the age of 30.

For the study, researchers identified 35 patients who were diagnosed with the specific type of brain tumor before the age of 30. They found that five of the 35 patients had been exposed to ionizing radiation during their childhood, two of whom for leukemia, one for medulloblastoma, and one for what may have been a meningioma. The fifth patient's radiation exposure was due to the Chernobyl disaster in 1986. The average time between radiation exposure and meningioma diagnosis was 23.5 years.

Researchers are now conducting a follow-up study and are including patients of all ages who have been treated for meningiomas at Loyola University Medical Center. Thus far, they have identified 14 patients with meningiomas, three of whom exposed to radiation during the Chernobyl disaster and 11 patients that received radiation for fungal infections on the scalp, leukemia, and medulloblastomas.

The findings suggest that comparing post-radiation meningiomas with de no meningiomas will better clarify the best therapy for these patients.

Brain mets
Exposure to radiation during childhood increases a person's risk for developing meningioma.

In people under age 30, radiation is a risk factor for a type of brain tumor called a meningioma, a Loyola University Medical Center study has found. Researchers analyzed records of 35 patients who were diagnosed with meningiomas before age 30. Five had been exposed to ionizing radiation earlier in their lives.

They include two patients who received radiation for leukemia at ages 5 and 6; one who received radiation at age 3 for a brain tumor known as a medulloblastoma; and one who received radiation for an earlier skull base tumor that appeared to be a meningioma. The fifth patient had been exposed at age 9 to radiation from the Chernobyl nuclear power plant disaster in Ukraine. Twenty years later, he was diagnosed with a meningioma.

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