The phrase "a delicate issue in" is correct and usable in written English.
It can be used when discussing a sensitive or complex topic that requires careful consideration or handling.
Example: "The negotiations surrounding the treaty have become a delicate issue in international relations."
Alternatives: "a sensitive matter in" or "a tricky situation in".
Land is a delicate issue in decentralized Afghanistan.
Despite the advantages that emancipation would bring to the Union, it remained a delicate issue in the North.
Such open declarations raise a delicate issue in the literary world, where there are no standard tribal retirement rituals.
Mr Leung has been caught up in a scandal related to building work at his house, a delicate issue in Hong Kong where property prices are sky high.
Ethnicity is a delicate issue in Xinjiang, where Uighurs, the largest Muslim group in the region, coexist uneasily with the Han.
Like gender and race, age is a delicate issue in the workplace, one that has been the subject of numerous sticky discrimination lawsuits over the years.
But the path to the Cairo address, as described by some advisers, also offers a case study in the president's approach to a delicate issue, one in which he reached out to dozens of people on how to shape his message.
A delicate issue raised in the surveys was suicide bombing.
The Senators have also faced a delicate issue of whether to bring in outside lawyers to represent them in investigation now being conducted by the ethics committee and the Justice Department, which has convened a grand jury in Los Angeles to review criminal allegations against Mr. Keating.
The quality of colonoscopy has become a delicate issue, because an article in The New England Journal of Medicine in December 2006 found that some doctors were 10 times better than others at finding precancerous polyps.
It can happen at any age, of course, but it's an especially delicate issue in an era when many workers stay on after they turn 66, when they qualify for full Social Security benefits.
