Sunday, January 02, 2011

Ohio child cancers confound parents, investigators

http://news.yahoo.com/s/ap/20101231/ap_on_re_us/us_child_cancer_fears;_ylt=AuDCLbmXaimK2qdgXR95c9us0NUE;_ylu=X3oDMTFpbTI0NnRhBHBvcwMzOQRzZWMDYWNjb3JkaW9uX21vc3RfcG9wdWxhcgRzbGsDb2hpb2NoaWxkY2Fu

By JOHN SEEWER, Associated Press John Seewer, Associated Press – Thu Dec 30, 9:33 pm ET

CLYDE, Ohio – Every time his kids cough, Dave Hisey's mind starts to race. Is it cancer? Is it coming back? His oldest daughter, diagnosed with leukemia nearly five years ago when she was 13, is in remission. His 12-year-old son has another year of chemotherapy for a different type of leukemia. And his 9-year-old daughter is scared she'll be next.

Hisey is not alone in fearing the worst. Just about every mom and dad in this rural northern Ohio town gets nervous whenever their children get a sinus infection or a stomachache lingers. It's hard not to panic since mysterious cancers have sickened dozens of area children in recent years.

Since 1996, 35 children have been diagnosed — and three have died — of brain tumors, leukemia, lymphoma, and other forms of cancer — all within a 12-mile wide circle that includes two small towns and farmland just south of Lake Erie. With many of the diagnoses coming between 2002 and 2006, state health authorities declared it a cancer cluster, saying the number and type of diagnoses exceed what would be expected statistically for so small a population over that time.

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After three years of exhaustive investigation, no cause is known. Investigators have tested wells and public drinking water, sampled groundwater and air near factories and checked homes, schools and industries for radiation.

They also set up a network of air monitors across eastern Sandusky County, finding cleaner air than in most places around Ohio, the health department said.

Nothing unusual was detected. Not even a hint.

"From the very beginning, we've said the vast majority of childhood cancer causes aren't known," said Robert Indian, the state health department's chief of comprehensive cancer control. He'll soon release yet another investigative report.

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Eight children were diagnosed with cancer in and near Clyde between 2002-2006, nearly four times the number that state health experts figure is normal.

Ohio health investigators converged on the town of just 6,000 people halfway between Cleveland and Toledo and home to the Whirlpool Corp.'s largest washing machine factory.

What they found was worse than anyone suspected. The cancers affecting victims age 19 and younger included neighboring townships and much of the nearby town of Fremont.

One in five of the cancer cases were related to the brain or central nervous system, matching national rates, according to the American Cancer Society.

The diagnoses peaked in 2006, when nine children were told they, too, had cancer. Since then, there have been four new cases. The most recent came in the spring this year, when a 7-year-old girl was diagnosed with rhabdomyosarcoma, a rare cancer of the body's connective tissues.

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Ohio health and environmental regulators have speculated the cause was environmental and may have come and gone — maybe a chemical from a factory or a dump that polluted the air or water.

Air and water samples have not revealed any concerns around the Whirlpool plant or the Vickery Environmental waste site just outside town, where hazardous chemicals are injected into rock a half-mile below ground.

And in September, investigators said they found no radiation from homes, schools, or industries to link to the illnesses, ruling out the Davis-Besse nuclear plant, about 20 miles from Clyde, and NASA's former nuclear reactor near Sandusky as a possible source.

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Some parents think it's likely that investigators will never identify a cause.

In a way, it's not a surprise.

Pinpointing the cause of a cancer cluster rarely — if ever — happens.

During the 1960s and '70s, the U.S. Centers for Disease Control and Prevention investigated 108 cancer clusters around the United States, most of them childhood leukemia. But they found no definite causes for any of them.

The CDC has since allowed states to take the lead investigating almost all suspected clusters while still offering some oversight, as the federal agency is doing in Ohio.

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Some parents of Clyde area's sick children question whether the state's inquiry has been thorough enough. They point out that there's been no soil testing or requests for experts from CDC to join the investigation.

"Why haven't they brought all minds to the table?" said Warren Brown, whose 11-year-old daughter, Alexa, died of brain cancer in August 2009. "Why not throw everything at it?"

Investigators insist they've ignored nothing. Soil testing wouldn't reveal any answers, they said, because the sick children come from a widespread area and all would have needed to come in contact with contaminated dirt.

Ohio Environmental Protection Agency Director Christopher Korleski said the state has consulted with federal health officials throughout the investigation and that they've signed off on the steps Ohio has taken.

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It may have been something that has come and gone, but why are they not testing the soil? Their reasoning sounds silly to me. If there is a widespread effect, there might be widespread soil contamination, duh.

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