Macrocytosis: What causes it? - Mayo Clinic
2023年1月25日 · Common causes of macrocytosis include: Vitamin B-12 deficiency. Folate deficiency. Liver disease. Alcoholism. Hypothyroidism. A side effect of certain medications, such as those used to treat cancer, seizures and autoimmune disorders. Increased red blood cell production by the bone marrow to correct anemia, for example, after blood loss.
High red blood cell count Causes - Mayo Clinic
2023年2月10日 · Rarely, in some kidney cancers or after kidney transplant, the kidneys might produce too much of the hormone erythropoietin. This causes the body to make more red blood cells. Red blood cell counts also can be high in nonalcoholic fatty liver disease. Nonalcoholic fatty liver disease. Causes shown here are commonly associated with this symptom.
Enlarged spleen (splenomegaly) - Symptoms and causes
2023年8月25日 · An enlarged spleen typically causes no signs or symptoms, but sometimes it causes: Pain or fullness in the left upper belly that can spread to the left shoulder. A feeling of fullness without eating or after eating a small amount because the spleen is pressing on your stomach. Low red blood cells (anemia)
Polycythemia vera - Symptoms & causes - Mayo Clinic
2022年2月11日 · Enlarged spleen. Your spleen helps your body fight infection and filter unwanted material, such as old or damaged blood cells. The increased number of blood cells caused by polycythemia vera makes your spleen work harder than normal, which causes it to enlarge. Problems due to high levels of red blood cells.
Blood in urine (hematuria) - Symptoms and causes - Mayo Clinic
2023年1月7日 · Blood in urine that can be seen with the naked eye may be a sign of advanced kidney, bladder or prostate cancer. These cancers might not cause symptoms sooner, when treatments could work better. Inherited illnesses. A genetic condition that affects red blood cells, called sickle cell anemia, can cause blood in urine.
High white blood cell count Causes - Mayo Clinic
2005年6月11日 · Specific causes of a high white blood cell count include: Allergy, especially severe allergic reactions. Asthma. Bacterial, viral, fungal or parasitic infections. Burns. Churg-Strauss syndrome. Medicines, such as corticosteroids and epinephrine. Hay fever (also known as allergic rhinitis) Leukemia.
Myelofibrosis - Symptoms and causes - Mayo Clinic
2022年12月28日 · As disruption of normal blood cell production increases, signs and symptoms may include: Feeling tired, weak or short of breath, usually because of anemia. Pain or fullness below your ribs on the left side, due to an enlarged spleen. Easy bruising. Easy bleeding. Excessive sweating during sleep (night sweats) Fever.
Enlarged spleen (splenomegaly) - Diagnosis and treatment - Mayo …
2023年8月25日 · MRI to trace blood flow through the spleen; Finding the cause. Sometimes more testing is needed to find the cause of an enlarged spleen, including a bone marrow biopsy exam. A sample of solid bone marrow may be removed in a procedure called a bone marrow biopsy. Or you might have a bone marrow aspiration, which removes the liquid portion of ...
Enlarged heart - Symptoms & causes - Mayo Clinic
2022年5月4日 · The heart has to work harder to move blood between the lungs and the heart. The strain may lead to thickening or enlargement of the right side of the heart. Low red blood cell count (anemia). In anemia, there's a lack of healthy red blood cells to carry proper levels of oxygen to the body's tissues.
Anemia - Symptoms and causes - Mayo Clinic
2023年5月11日 · Anemia occurs when the blood doesn't have enough hemoglobin or red blood cells. This can happen if: The body doesn't make enough hemoglobin or red blood cells. Bleeding causes loss of red blood cells and hemoglobin faster than they can be replaced. The body destroys red blood cells and the hemoglobin that's in them. What red blood cells do