The phrase "problematic cases" is correct and usable in written English.
You can use this phrase when referring to situations or issues that are problematic, difficult, or complex. For example, "The court had to carefully consider several problematic cases before making a decision."
But the more problematic cases arise when mental health issues are involved, especially eating disorders.
"These are legitimate cases; they are not problematic cases; and they are scandalous cases," Dr. McHugh said.
There were only two problematic cases in Israel so far -- one a woman with an immune disorder.
In the Wilson ruling, she cites other problematic cases she has overseen where banks servicing borrowers' loans used Lender Processing systems improperly.
It includes big problematic cases such as Turkey and Ukraine and even in another optimistic couple of decades four other ex-Soviet republics, Georgia, Moldova, Armenia and Azerbaijan (the last, maybe, one day, on Turkey's coat-tails).The third and trickiest category is the ten countries that joined in the big enlargement of 2004 and in the later expansion of 2007.
Officials said that they were looking at 27 deals, and that while some appeared to have been "carefully constructed" to get around the letter of the law, they had identified a number of problematic cases and were focusing on companies still active in Iran.
Nasal polyps, extensive disease, and previous surgery are problematic cases.
A proposal is made for how to deal with these problematic cases.
For more complex or problematic cases a quantitative approach is required.
Therefore combined use of TTF-1, Napsin A and CK7 could be considered in problematic cases.
Accumulation of information on problematic cases would be meaningful for surgeons to select better surgical procedures.
