DCIS
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  DCIS



DCIS

   Ductal carcinoma in situ. A precancerous condition characterized by the clonal proliferation of malignant-looking cells in the lining of a breast duct without evidence of spread outside the duct to other tissues in the breast or outside the breast. DCIS is clearly the precursor (forerunner) of invasive breast cancer. This is evident from the sharing of clonal chromosome changes by DCIS and adjacent invasive cancers. In other words, invasive breast cancer evolves from DCIS. Also called intraductal carcinoma.

RELATED TERMS
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Carcinoma
Cancer that begins in the tissues that line or cover an organ.

Condition
The term "condition" has a number of biomedical meanings including the following: 1.An unhealthy state, such as in "this is a progressive condition." 2.A state of fitness, such as "getting into condition." 3.Something that is essential to the occurrence of something else; essentially a "precondition." 4.As a verb: to cause a change in something so that a response that was previously associated with a certain stimulus becomes associated with another stimulus; to condition a person, as in behavioral conditioning.

Breast
The breast refers to the front of the chest or, more specifically, to the mammary gland. The mammary gland is a milk producing gland. It is composed largely of fat. Within the mammary gland is a complex network of branching ducts. These ducts exit from sac-like structures called lobules, which can produce milk in females. The ducts exit the breast at the nipple.

Duct
A channel or passage through which fluids move.

DCIS
Ductal carcinoma in situ. A precancerous condition characterized by the clonal proliferation of malignant-looking cells in the lining of a breast duct without evidence of spread outside the duct to other tissues in the breast or outside the breast. DCIS is clearly the precursor (forerunner) of invasive breast cancer. This is evident from the sharing of clonal chromosome changes by DCIS and adjacent invasive cancers. In other words, invasive breast cancer evolves from DCIS. Also called intraductal carcinoma.

Invasive
Medical tests that involve gaining entry into the body via a needle, tube, or hand.

Cancer
Any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream.

Chromosome
A structural unit within a eukaryotic nucleus that carries genes. A chromosome consists of a long, continuous strand of DNA and associated proteins.

Adjacent
Lying nearby. Related terms include superjacent, subjacent, and circumjacent. From ad-, near + the Latin jacere, to lie = to lie near.



SIMILAR TERMS
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PREVIOUS AND NEXT TERMS
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Date, expiration
The date for a drug estimated for its shelf life with proper storage in sealed containers away from harmful and variable factors like heat and humidity.

Daughter
1. A female offspring. 2. A female adopted child. 3. A product of radioactive decay. 4. A cell resulting from cell division.

Daw
Abbreviation meaning "dispense as written." One of a number of hallowed abbreviations of terms that have traditionally been used in prescriptions.

Day sight
Day sight (night blindness) is a classic symptom resulting from deficiency of vitamin A. Also called nocturnal amblyopia and nyctanopia.

DBT
Dialectical behavioral therapy.

DCIS

DDH (developmental dislocation of the hip)
The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is not stable within the socket (the acetabulum). The ligaments of the hip joint may also be loose and stretched.

De Lange syndrome
A relatively common birth defect syndrome with multiple malformations and mental retardation of unknown origin.

De Musset sign
Rhythmic nodding or bobbing of the head in synchrony with the heart beat, a sign of aortic insufficiency - incompetence of the aortic valve with aortic regurgitation. The causes include syphilitic aortitis, rheumatic fever, and aortic aneurysm

Deafness and keratopachydermia
Congenital deafness with keratopachydermia and constrictions of fingers and toes.

Deafness, congenital
Loss of hearing present at birth. Congenital deafness contrasts to acquired deafness which occurs after birth.

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