The human impact from the wrangling between Iran and the West over its nuclear program could fall first in nuclear medicine clinics around the country, where hundreds of cancer patients a week get treatment with radioactive isotopes.
Iran says fuel for the Teheran research reactor that produces the isotopes will run out in September next year, leaving it without the materials needed to diagnose and treat some 850,000 cancer patients across the country.
A deal for the West to provide fuel for the reactor has all but fallen apart in the deadlock over Iran's broader nuclear program, and Iran's drive to produce the fuel on its own has brought condemnation from the US and Europe. They fear the program could boost what they contend is the secret goal of Iran's nuclear ambitions: to produce a bomb.
Iran denies the claim, saying its program is only for peaceful purposes and has touted the need for medical isotopes to justify its program.
Negotiators from Iran and the United States and its allies are expected to meet soon — likely late this month or early next — in their first direct nuclear talks in more than a year. A deal to provide Iran with fuel for the research reactor may be on the agenda — but US officials have already expressed pessimism that one can be reached.
At the nuclear medicine ward in Teheran's Shariati Hospital, Ghodratollah Ghalavand fears the standoff could eventually leave him without his lifeline. Every week, he comes in for treatment of his thyroid cancer with iodine-131 isotopes produced by the reactor.
"I'm not familiar with politics. I'm a rural person. I only know that not giving fuel is wrong. It will endanger my life. Humanitarian issues are different from politics," said Ghalavand, a man in his 50s from a village in southwest Iran.
The Teheran reactor is fueled by rods made from uranium that has been enriched to a level of 20 percent. It has been running on fuel rods that Iran imported from Argentina more than a decade ago to produce medical isotopes like iodine-131, used to treat thyroid cancer.
Iran imports some ready-made isotopes, but it has faced greater restrictions under UN sanctions and has to pay higher prices to get them. Sanctions do not directly ban the sale to Iran of medical equipment, but they make foreign producers more reluctant to provide it, and those who will sell it do so at inflated prices.
"We are paying twice the value of this product to import it from Turkey," said Mohammad Reza Ramezani, an official at Shariati Hospital, pointing to a cargo of technetium-99, the most common radioisotope used in diagnosis, that arrived from Turkey at day earlier.
Uranium enrichment lies at the heart of Iran's dispute with the West. Low-enriched uranium — at around 3.5 percent — can be used to fuel a reactor to generate electricity, which Iran says is the intention of its program. But if uranium is further enriched to around 90 percent purity, it can be used to develop a nuclear warhead.
Iran has been producing low-enriched uranium for several years, but the United Nations has demanded that it stop enrichment for fear it will be increased to weapons-grade. The UN has imposed four rounds of financial sanctions on Iran for refusing the demands.
Last year, the United States proposed a UN-backed deal that it hoped would provide a confidence building measure and leave Iran at least temporarily unable to produce a bomb. It proposed that Iran ship abroad most of its stocks of low-enriched uranium, which would be further purified to 20 percent and turned into fuel rods, which would then be sent back to Iran to power the Teheran medical reactor. Doing so would leave Teheran's stocks too low to produce enough high-enriched uranium for a bomb.
But Iran balked, arguing that the deal did not provide enough guarantees the West would follow through with the fuel rods. It proposed modifications that the West rejected.
This year, Iran reached a separate deal with Turkey and Brazil to ship 2,640 pounds (1,200 kilograms) of low-enriched uranium abroad in return for fuel rods. But since Iran had been continuing to produce low-enriched uranium in the meantime, the deal would still have left it enough in theory to build a bomb, so the West rejected the agreement.
At the same time, Iran began in February to further enrich uranium to 20 percent, aiming to produce fuel for the Teheran reactor on its own. But it still has to turn the material into fuel rods. Iran says it has the capability to do so, but Western nuclear experts are skeptical.
Iran's nuclear chief, Ali Akbar Salehi, said Iran would be able to fuel
the reactor on its own by next September, when the imported fuel is due
to run out.
The American ambassador to the UN nuclear watchdog, Glyn Davies, said
the original fuel swap deal was "picture perfect" to ensure the Tehran
reactor keeps running and producing isotopes. He said in March that
after Iran's rejection "we can only assume they're enriching the
material for other purposes."
US officials have said Washington could agree to a new version of the
fuel swap deal — but it would have to entail Iran shipping a larger
amount of low-enriched uranium abroad and stopping its 20-percent
enrichment. The Americans are skeptical Iran would agree, though Iranian
officials have signaled they might halt the further enrichment if fuel
rods are guaranteed.
Iran has 120 nuclear medicine centers around the country, with some 200
patients a week getting idione-131 treatments for thyroid cancer,
according to Mohammad Ghannadi, a top nuclear official.
At the Shariati ward, 50-year-old Manijeh Shahri coughs as she describes the radiotherapy treatment for her thyroid cancer.
"I'm not familiar with politics nor with nuclear issues," she said. "But I need radioisotopes to remain alive."
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