It depends on the: disease that is being evaluated. They are complementary exams, and depending on what your doctor is looking for, one or another or both might be appropriate in a particular situation.
Answered 3/12/2020
3.8k views
A doctor has provided 1 answer
4 doctors weighed in across 3 answers
3 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question