There are many different types of urinary casts that can indicate important health information. A urinary cast is a small tube-like structure sometimes found when urine is examined under a microscope.

Molecular testing, or molecular diagnostics, refers to a group of tests that look at the genetic material in a specimen. It can detect genetic risk factors for certain diseases or provide evidence of ...

Some experts say the tests, which can spot multiple kinds of cancer, aren’t yet sensitive enough to be widely used.