Leukocyte esterase urine test - Mount Sinai Health System
网页Leukocyte esterase is a screening test used to detect a substance that suggests there are white blood cells in the urine. This may mean you have a urinary tract infection. If this test is positive, the urine should be examined under a microscope for white blood cells and other signs that point to an infection.
Leukocytes in Urine: 3 Possible Causes - WebMD
网页2022年1月27日 · Leukocytes are white blood cells that help your body fight germs. When you have more of these than usual in your urine, it's often a sign of a problem somewhere in your urinary tract.
Leukocytes in Urine: Normal Range and High Levels - Verywell …
网页2024年7月30日 · Leukocytes may be detected in urine using a leukocyte esterase test or with an examination under a microscope. White blood cells are not normally found in urine, so a normal level is zero or very few (typically 0–5 per hpf).
Leukocyte esterase - Wikipedia
网页A leukocyte esterase test (LE test) is a urine test for the presence of white blood cells and other abnormalities associated with infection. White blood cells in the urine can indicate a urinary tract infection (UTI). Positive test results may …
Leukocytes in Urine: Causes, Symptoms, Diagnosis, Treatment - Healthline
网页2024年8月23日 · High levels of leukocytes or white blood cells in urine often indicate an infection. However, other causes may also be present, such as kidney stones or a benign or cancerous growth.
Leukocyte esterase urine test - MedlinePlus
网页Leukocyte esterase is a screening test used to detect a substance that suggests there are white blood cells in the urine. This may mean you have a urinary tract infection. If this test is positive, the urine should be examined under a microscope for white blood cells and other signs that point to an infection.
Understanding Urine Leukocyte Esterase Trace Abnormal - Statcare
网页Urine leukocyte esterase is an enzyme produced by white blood cells. When there is an abnormal amount of leukocyte esterase in the urine, it can be a sign of infection or inflammation in the urinary tract. A trace amount of leukocyte esterase in the urine indicates a small number of white blood cells, which may or may not be a cause for concern.
Urinalysis - Mayo Clinic
网页2023年10月24日 · Either nitrites or leukocyte esterase — a product of white blood cells — in your urine might indicate a urinary tract infection. Blood. Blood in your urine requires additional testing. It may be a sign of kidney damage, infection, kidney or bladder stones, kidney or bladder cancer, or blood disorders. Microscopic exam
白细胞酯酶 - 百度百科
网页白细胞酯酶（leukocyte esterase，LE）是人体白细胞内含有的一种特异性酶类，当人体发生炎症反应时，多核白细胞的趋化性在炎性病灶聚集而大量释放LE，LE水解5-溴4-氯-3- 吲哚乙酸 盐，释放出溴吲哚基，后者在有氧的条件下产生颜色变化，呈色深度与LE活性成正比。 但这种酶类只在中性粒细胞内存在，其它的细胞内则没有，所以不能检测其它类型的白细胞，只能检测中性粒细胞，也就是通过常说的 炎性细胞。 这个结果 阳性 说明所检测的标本中 …
Leukocytes in the urine: Causes, symptoms, and diagnosis.
网页2023年12月6日 · Summary. High leukocyte levels in the urine may mean a urinary tract infection or other underlying inflammatory medical problems, such as kidney infection and kidney stones. Leukocytes, also...