Flow cytometry is a way to look closely at the features of cells or particles. A sample of blood or tissue goes into a machine called a cytometer. In less than a minute, a computer can analyze ...

Blood tests look for markers in the blood that may indicate non-Hodgkin lymphoma. Blood tests alone cannot diagnose lymphoma, but they can help with diagnosis. A doctor may order blood tests to look ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

Doctors can test for gallbladder issues using a combination of physical exams, blood tests, and imaging studies. Several issues can affect the gallbladder, including gallstones, inflammation, or ...

Blood tests may be the first step in diagnosing leukemia. However, additional testing is usually needed to make an accurate diagnosis. Leukemia is cancer that starts in bone marrow stem cells. These ...