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calcification    
n. 石灰化

石灰化

calcification
n 1: a process that impregnates something with calcium (or
calcium salts)
2: tissue hardened by deposition of lime salts
3: an inflexible and unchanging state; "the calcification of
negotiations"

Calcification \Cal`ci*fi*ca"tion\
(k[a^]l`s[i^]*f[i^]*k[=a]"sh[u^]n), n. (Physiol.)
The process of change into a stony or calcareous substance by
the deposition of lime salt; -- normally, as in the formation
of bone and of teeth; abnormally, as in calcareous
degeneration of tissue.
[1913 Webster]

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  • Aortic calcification: An early sign of heart valve problems?
    Aortic valve calcification is a condition in which calcium builds up on the aortic valve Buildups of calcium can cause the valve opening to become narrow Severe narrowing can reduce or block blood flow through the aortic valve — a condition called aortic valve stenosis
  • Breast calcifications: When to see a doctor - Mayo Clinic
    The radiologist may ask you for images from mammograms you had in the past The radiologist compares the new images to the old images to see if calcifications are new or have changed in number or pattern If breast calcifications seem to be caused by a benign condition, the radiologist may suggest a six-month follow-up for another mammogram with closer views The radiologist checks the images
  • Breast calcifications - Mayo Clinic
    Breast calcifications are a buildup of calcium salts within breast tissue They are common on mammograms They appear as white spots or flecks on a mammogram Breast calcifications most often are not cancer, called benign More commonly calcifications are associated with a benign breast condition known as fibrocystic breast changes But certain patterns of calcifications, such as tight
  • Breast calcifications Causes - Mayo Clinic
    Sometimes calcifications mean breast cancer But most calcifications result from conditions that aren't cancer, called benign Possible causes of breast calcifications include: Breast cancer Breast cysts Cell secretions or debris Ductal carcinoma in situ (DCIS) Fibroadenoma Fibrocystic breast changes, also called milk of calcium Mammary duct ectasia Injury or surgery to the breast, called
  • Coronary calcium scan - Mayo Clinic
    A coronary calcium scan uses computerized tomography (CT) imaging to take pictures of the heart's arteries It can detect calcium deposits in the coronary arteries Calcium deposits can narrow the arteries and increase the risk of a heart attack The image on the left shows where the heart is typically located in the body (A) The middle image shows the area of the coronary calcium scan image
  • Aortic valve stenosis - Symptoms and causes - Mayo Clinic
    Aortic stenosis is in general a progressive disease Progressive calcification of the valve results in progressive narrowing and a pressure overload phenomenon in the heart This can cause thickening of the heart muscle and stiffening In early phases, this can cause shortness of breath and chest discomfort
  • Mitral valve stenosis - Symptoms and causes - Mayo Clinic
    The condition is called mitral annular calcification, or MAC for short Severe MAC can cause mitral stenosis symptoms It's difficult to treat even with surgery People with calcium around the mitral valve often have similar problems with the heart's aortic valve Radiation therapy This is a treatment for certain types of cancer
  • Breast calcifications - Mayo Clinic
    Learn more about services at Mayo Clinic Breast calcifications Calcifications are small buildups of calcium, called calcium deposits, in the breast They show up as white spots on a mammogram Large, round or well-defined calcifications (shown left) are more likely to not be cancer, also called benign Tight clusters of tiny, fine, irregularly shaped calcifications (shown right) may mean cancer
  • Calcificación aórtica: ¿Es una señal temprana de problemas en las . . .
    La válvula aórtica se encuentra entre la cavidad inferior izquierda del corazón y la arteria principal del cuerpo, que se conoce como aorta La calcificación de la válvula aórtica es una afección en la que se acumula calcio en la válvula aórtica La acumulación de calcio puede hacer que la
  • Ductal carcinoma in situ (DCIS) - Diagnosis and treatment - Mayo Clinic
    Ductal carcinoma in situ, also called DCIS, is most often discovered during a mammogram used to screen for breast cancer A mammogram is an X-ray of the breast tissue If your mammogram shows something concerning, you will likely have additional breast imaging and a biopsy If an area of concern was





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