conservation

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con·ser·va·tion

(kon'ser-vā'shŭn),
1. Preservation from loss, injury, or decay.
2. In sensorimotor theory, the mental operation by which a person retains the idea of an object after its removal in time or space.
3. Presence of a gene in two different organisms.
4. The retention of structure with a variation in the environment, genetics, or other conditions.
[L. conservatio, a preserving, keeping]

conservation

(kon?ser-va'shon) [L. conservatio, keeping, preserving]
A cognitive principle, first described by Piaget, indicating that a certain quantity remains constant despite the transformation of shape. Children develop conservation ability for number, length, liquid amount, solid amount, space, weight, and volume.

breast conservation

Breast-conserving therapy.

conservation

the preservation, protection and management of an environment which takes into account recreational and aesthetic needs, in addition to preserving as much as possible of the natural fauna and flora and allowing for the harvesting of natural resources and agriculture. This necessitates the sensible planning of what is taken from the environment in terms of the yield of plants, animals and materials, whilst at the same time maintaining as much natural habitat as possible, and thus the largest possible GENE POOL.

con·ser·va·tion

(konsĕr-vāshŭn)
1. Preservation from loss, injury, or decay.
2. Retention of structure with a variation in environment or other conditions.
References in periodicals archive ?
The value of intraoperative frozen section analysis for margin status in breast conservation surgery in a nontertiary institution.
Genomic profiling, functional imaging, and characterization of additional tumor markers like EXH2 expression [17, 18] may facilitate the identification of tumors for which breast conservation may achieve optimal locoregional control and disease-free survival in future.
However more extensive, diffuse disease would make patients intrinsically unsuitable for breast conservation surgery.
Oncoplastic lumpectomy allows more women with larger tumors to undergo breast conservation with better cosmetic results.
Oftentimes, the rush to remove all cancer takes precedence over breast conservation, both for patients and surgeons, in an effort to ensure all cancer cells are excised.
In this regard, breast conservation surgery was performed in 67.8% of cases of our study sample, and modified radical mastectomy was performed in 32.2%.
These unique features have enabled reduced dose to normal tissues, shorter courses of radiation treatment, and the preservation of breast contours during breast conservation therapy.
The gold-standard treatment for women with early-stage breast cancer is breast conservation surgery (BCS) rather than mastectomy, but the number of women choosing mastectomy is increasing.
"It is rare to have a radical mastectomy now We don't see many and now take a breast conservation approach."
These include a breast conservation lumpectomy that generates clear margins, lumpectomy followed by radiation of the involved breast, and chemoprophylaxis with tamoxifen (Nolvadex[R]) or raloxifene (Evista[R]).
There will be a live interactive operative workshop on breast conservation surgery and MRM with breast reconstruction on Saturday, 19th January 2012.

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