In anatomy: in situ refers to viewing structures as they appear in normal healthy bodies. For example, one can open up a cadaver’s abdominal cavity and view the liver in situ or one can look at an isolated liver that has been removed from the cadaver’s body.
What does situ mean in cancer?
Carcinoma in situ refers to a group of abnormal cells that have not spread from the location where they first formed, although they may later spread into normal tissue and become cancer.
What do you mean in situ?
situated in the original, natural, or existing place or position: The archaeologists were able to date the vase because it was found in situ. Medicine/Medical. in place or position; undisturbed. (especially of a malignant tumor) in a localized state or condition: carcinoma in situ.
What is in situ short for?
In situ (also referred to as insitu or in-situ) is a Latin phrase that is commonly used in the construction industry to mean ‘ on site ‘, ‘in place’ or ‘in position’. In situ can also be used to refer to in situ testing, for example, tests carried out on site to determine the density or shear strength of soils.
How serious is carcinoma in situ?
A diagnosis of carcinoma in situ does not mean a person has cancer, nor does it mean they will have cancer in the future. However, it increases the risk of cancer developing, so doctors usually recommend treatment.
What is the treatment for carcinoma in situ?
TREATMENT APPROACH Patients with DCIS undergo local treatment with breast-conserving therapy (BCT) or mastectomy. BCT consists of lumpectomy (also called breast-conserving surgery, wide excision, or partial mastectomy) followed in most cases by adjuvant radiation.
What are the symptoms of carcinoma in situ?
When ductal carcinoma in situ does produce symptoms, the most common include:
- Breast pain.
- Bloody discharge from the nipple.
- A palpable lump in the breast tissue.
- A red, scaly rash known as Paget’s disease of the breast.
Is Stage 0 cancer really cancer?
What is Stage 0 LCIS? Lobular carcinoma in situ at Stage 0 generally is not considered cancer. Although it has carcinoma in the name, it really describes a growth of abnormal but non-invasive cells forming in the lobules.
What causes carcinoma in situ?
It’s not clear what causes DCIS. DCIS forms when genetic mutations occur in the DNA of breast duct cells. The genetic mutations cause the cells to appear abnormal, but the cells don’t yet have the ability to break out of the breast duct.
Which is better in situ or ex situ?
In situ conservation offers greater mobility to the animal species being safeguarded in its habitat. Ex situ conservation provides less mobility to the organisms due to relatively smaller habitat or area than the in situ.
How do you use in situ in a sentence?
The lesion may remain macular and in situ for many years. Each image was then analyzed as described for sections undergoing in situ radioligand binding. If the distance moved was < 5 m the fruit was re-classified as eaten in situ. These represented fruits that were eaten in situ. 7
What is in situ test?
In situ tests are tests conducted on or in the soil at the site. The most commonly used in situ tests are the standard penetration test (SPT), the field vane tests, the cone penetration test (CPT), the pressuremeter test, and the dilatometer test (DMT).
What is the meaning of in situ measurement?
Definition of In situ: In its original place. From the Latin word situs meaning place. In oceanography, this term is mostly used with instruments that measure properties directly in the sea: in situ measurement, in situ sensor, and in situ instrument.
What do you understand by ex situ?
Outside, off site, or away from the natural location. For example, biological material which is in a laboratory, collection, botanical garden, zoo, or aquarium. Also known as off‐site. Contrast in situ.
What is in situ and ex situ?
Different types of conservation Latin for “in” and “out” of place, in situ and ex situ describes the location for wildlife. In situ refers to the animal’s original home and ex situ describes conservation in which the animal has been moved.