Some people are born with an increased tendency to form blood clots,
which increases their risk for developing blood clots in the legs (deep vein thrombosis) and in the lungs (pulmonary embolism). This tendency is due to inherited blood-clotting
irregularities, which are generally related to:
Mutated genes (such as factor V Leiden, factor
Decreased amounts of certain proteins (protein C, protein S,
and antithrombin III).
Increased levels of other substances
(antiphospholipid or lupus anticoagulant).
Many of these blood-clotting irregularities can be identified with
special tests. If your doctor suspects that you may have an
inherited blood-clotting irregularity, discuss whether testing is
People with neutropenia have an unusually low number of cells called neutrophils. Neutrophils are cells in your immune system that attack bacteria and other organisms when they invade your body.
Neutrophils are a type of white blood cell. Your bone marrow creates these cells. They then travel in your bloodstream and move to areas of infection. They release chemicals to kill invading microorganisms.
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
March 12, 2014
This information is not intended to replace the advice of a doctor.
Healthwise disclaims any liability for the decisions you make based on this