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Myeloproliferative neoplasms are blood cancers that occur when the body makes too many white or red blood cells, or platelets. A few of the MPNs are myelofibrosis (MF), essential thrombocythemia (ET) and polycythemia vera (PV). Learn from experts more about MPNs, how they are treated and the advances being made through research and clinical trials.
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Multiple sclerosis (MS) is a chronic disease that affects the central nervous system (CNS). It causes inflammation and the destruction of myelin. Myelin surrounds nerve fibers and acts like insulation on a wire, preventing "short-circuits" that divert a nerve signal from having its desired effects. The "demyelination" process interferes with nerve impulse transmission, affects muscular control, and causes a variety of sensory,. Learn more about MS and related testing.
If a healthcare practitioner suspects that a person's signs and symptoms are due to a bleeding disorder, the practitioner may order several laboratory tests. The investigation of a bleeding disorder is usually a step-by-step process. A healthcare provider may begin by ordering tests such as: Prothrombin Time (PT) and Partial Thromboplastin Time (PTT), which evaluate various components of the plasma protein clotting process (hemostasis) View the full table of tests available if a health care provider suspect bleeding disorders. Learn more
Colon cancer frequently develops without producing early signs or symptoms. As the disease progresses, signs and symptoms can occur, such as:
- Diarrhea, constipation, stools narrower than usual, or other changes in bowel habits lasting 10 days or more
- Rectal bleeding, blood in the stool (either bright red or dark in color)
- Sensing the need to have a bowel movement that does not go away after having one