University Medical Center (UMC) is a university-affiliated hospital in Astana, Kazakhstan. It specializes in cardiology, cardiac surgery, and pediatric oncology. Children receive dedicated care across all departments. The Heart Center handles complex cardiac cases. UMC was founded in 2011 by Nazarbayev University and is linked to its school of medicine. The medical team includes 12 specialized doctors. The center is JCI-accredited for international safety standards.
Specialists have performed successful pediatric heart transplants. The team uses AVEIR AR leadless dual-chamber pacing systems and the ALEM device for donor organ transport. Advanced transcatheter mitral clip techniques are available here. UMC also offers bone marrow transplantation for children. A dedicated diagnostic center operates on site. International patients can stay at the on-site Patient Hotel. Online consultations are available for all medical directions.
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Specialists have performed successful pediatric heart transplants. The team uses AVEIR AR leadless dual-chamber pacing systems and the ALEM device for donor organ transport. Advanced transcatheter mitral clip techniques are available here. UMC also offers bone marrow transplantation for children. A dedicated diagnostic center operates on site. International patients can stay at the on-site Patient Hotel. Online consultations are available for all medical directions.
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An external biopsy is a collection of material for the study (biopsy) of their surface tissues: skin and mucous membranes. Such a procedure does not require special facilities for visualization or computer control.
An internal biopsy is one in which doctors take a biopsy from the internal organs. For this, doctors use special equipment: MRI, ultrasound, etc.
According to the American Cancer Society , there are several varieties of biopsies.
Types of biopsy |
excisional | For research, doctors take the entire neoplasm (tumor, cyst, etc.). |
incisional | Doctors take a small piece of altered tissue. |
Puncture | The sampling of material for research is carried out using a puncture - a puncture with a special needle. |
Aspiration | Material for diagnostics is taken using a thin vacuum tube. |
Trepanation | Doctors open hard tissues. |
Sighting | The biopsy is obtained under the control (\"sight\") of a special installation: ultrasound, MRI, endoscopy, etc. |
Fusion biopsy | Hybrid technology for prostate diagnostics. Doctors take the material under the visual control of the installation, which combines ultrasound and MRI. It allows you to overlay images of each other's tumors and get a 3D image of it with a clear marking of suspicious areas.
|
All decisions about the type of study, imaging methods, methods of anesthesia are made by the attending physician. The radiologist helps the doctor visually monitor the progress of the procedure.
The most common type of biopsy is puncture. Therefore, it is important to know how such a procedure is carried out. According to the resource RadiologyInfo , before taking a biopsy, the doctor treats the puncture area with an anesthetic. Small children are prescribed general anesthesia (narcosis). This avoids pain and makes the procedure comfortable for the child. For adult patients, doctors use local anesthesia. Anesthesia is indicated in cases where the procedure requires the collection of a large area of tissue.
Doctors use ultrasound (ultrasound) or computed tomography (CT) to pinpoint the exact location of the procedure. Then they mark with a marker the point where the needle will be inserted. In this place, specialists disinfect and remove hair from the skin. Next, make a small puncture. Doctors insert a needle, under the visual control of special installations, advance it to the focus and take a tissue sample. More detailed analysis may require multiple samples. A pressure bandage is applied to the incision site. To avoid possible complications, the medical staff monitors the patient for the next 2-3 hours. The procedure lasts 20-60 minutes.
At the puncture site for 2-3 days, the patient may feel soreness. With severe pain syndrome, the doctor prescribes analgesics. The bandage can be removed the day after the biopsy. Then you can take water procedures.
Doctors place the resulting tissues in a special solution. Then the material is dehydrated, impregnated with paraffin or other similar preparation. The resulting block is divided into thin (less than 0.1 mm) sections, which are stained and placed between two glass slides. The final result is called a histological specimen. His analysis is carried out by a pathologist. He evaluates the features of cells under a microscope and, based on this, draws a conclusion about the nature of the tumor.