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Computed Tomography Of The Lungs

Computed tomography of the lungs is a method of X-ray examination, which is based on the reproduction of images obtained by circular scanning of the object by a directed beam of X-rays. In the study of lungs, CT provides an opportunity to determine the location of interlobar gaps, intersegmental septa clearly, and assess the state of bronchi and pulmonary vessels. Computerized tomography of the lungs is the fastest and most accurate method of diagnosing diseases in this area.

The Primary Indications for the CT Scan Cost in Delhi NCR Are:

  • Pleurisy
  • Tumor Education
  • Metastasis of tumors
  • Parasitic cysts of the lungs
  • Lung disorders caused by rheumatoid diseases
  • Abscesses
  • Suspicion of pulmonary arterial thromboembolism
  • Tuberculosis

Computer tomography of the lung can be performed on a conventional tomography or spiral. Traditional CT of the lung is performed to visualize pathological processes in the lungs. The study time is approximately 20 minutes. During the scan, the patient must repeatedly hold his breath. CT of the lungs, carried out on a spiral tomograph lasts only about 15 seconds and it is necessary to delay breathing only once. This method makes it possible to evaluate the state of the lymph nodes of the mediastinal organs as well.

No preliminary preparation is necessary before carrying out a computed tomography of the lungs to the patient. The only exception is when the CT scan cost in Delhi is performed with contrast. In this case, it is recommended to refrain from eating for 5-6 hours before the study, as when injecting a contrast agent, a feeling of nausea may appear.

Contrast substance helps to visualize soft tissues and blood vessels better. During the study, the patient is on the movable table of the apparatus, which moves inside the tunnel, and at this time a tomography ring rotates around it. After the end of the procedure, the patient expects results.

The doctor concludes within 10-15 minutes, then all the data (pictures and their description) are given to the patient's hands or sent by e-mail to the treating doctor. Depending on the type of pathology detected, the treatment can be prescribed by doctors: an oncologist, a surgeon, or a pulmonologist.

HOW TO SCAN?

The specialist helps the patient to take the correct position on the computer tomography table. It is possible to use soft straps or ribbons to help keep the neck in the right place.

During the scan, the patient will be inside the computer tomograph. Many X-rays will pass through the patient's body when the X-ray tube rotates around it. The machine will take pictures from many sides, forming transverse images (slices) of the neck.

The technologist leaves the room. During the scan, the patient will be alone in the place, but the technologist can always see, hear and talk with him through the intercom.

For the first few checks, the table quickly moves through the scanner. The schedule will proceed slower for the rest of the scan. Neck scanning can take up to 15 minutes. Then the doctor looks at the pictures on the computer.

Some patients need a contrast study. Patients will receive a contrast (X-ray dye) during the scan. The difference makes the tissues and blood vessels more visible to the doctor's view to see them in CT images.

Kidney Ultrasound and its Aim

Patients suffering from renal colic without a history of kidney stones usually undergo non-contrast computed tomography. This technique does not require preliminary preparation of the patient, and it does not depend on the operator or the patient. Its main disadvantages are the high cost and use of ionizing radiation. Patients with a history of kidney stones require a conventional X-ray and Doppler ultrasound of kidney.

These are usually the first diagnostic tests that are performed. Also, in many areas of India, computed tomography is not generally available, and ultrasonography of the kidneys can be quickly and significantly assisted in diagnosing the patient. In addition to diagnosing obstructive uropathy, ultrasound can evaluate the condition of other abdominal organs with concomitant diseases.

Ultrasound Test scanning of the kidney can demonstrate the acoustic properties of its tissue, determine the pathological displacement of the organ as a result of the extra-renal mass, or determine whether hydronephrosis is secondary to the kidney stones. Also, ultrasound can detect a circadian fluid buildup such as a hematoma or abscess, determine the size of the kidneys and assess its parenchyma in detail, detect enlarged ureters and hydronephrosis, and identify kidney images with congenital anomalies.

The kidney is displayed on the ultrasound as an organ with a smooth outer contour, surrounded by a reflected thin stripe of the kidney fat. The renal parenchyma surrounds a large central renal sinus, which contains calyxes, pelvis, papillae, vessels, and lymphatic vessels. Because of the fat layer, the tissue of the renal sinus is depicted as an area of great echoing by a weaker variable contour. If two separate collection systems of the renal sinus are seen separated by a fatty layer, then doubling of the collective operation of the kidney by ultrasound should be suspected.

If the patient has a significant amount of perineum fat, the high-frequency sensor cannot provide penetration to the required depth to optimally visualize the kidney area on ultrasound. Thicker regions of the kidneys can appear in the form of hypoechoic structures. A detailed study of the ultrasound test price in Delhi can also be entirely or partially closed if the patient has the hepatocellular disease, gallstone disease, had chest and abdominal interventions, or there are adhesions between the liver and the kidneys. The use of the second harmonic visualization and tissue contrast technology, which is actively used, can help optimize the visualization of the organs.

The criteria for type I change on renal ultrasound include the following:

  • The intensity of the echostructure in the cortex should be equal to or higher than in the neighboring liver or spleen;
  • The power of the echostructure in the cortex should be similar to the adjacent renal sinus.

Minor signs include loss of identifiable arched vessels and a certain accentuation of the echo-structure on the cortico-medullary layer.

Type II - changes can show ultrasound evident focal disturbances of normal anatomy with any volume lesion, including cysts, tumors, abscesses, and hematomas.

What is MRI or Magnetic ResonanIe Imaging?

The principle of MRI is based on the phenomenon of nuclear magnetic resonance. The organs are analyzed using a powerful magnet in which electromagnetic waves circulate. These high-frequency waves applied to a part of the body return a signal re-emitted by the hydrogen atoms contained in the organs. It is, thus, possible to determine the chemical composition and hence the nature of the tissues.

We obtain a 2D or 3D image of a part of the body. MRI does not irradiate, and it does not emit X-rays.

Magnetic resonance imaging is one of the modern and most informative diagnostic methods that enables specialists to accurately study the internal organs and systems of the human body. The study is widely used in the world in medical practice.

MRI is used to detect various abnormalities and acute illnesses. This non-invasive diagnostic method allows you to visualize in detail even deep tissue. The study makes it possible to obtain a layered image of internal organs. At the same time, the quality of tomography images is comparable to real photos of anatomical sections.

What is an MRI?

Magnetic resonance imaging is considered a safe method of investigation since it does not have radiation or ionizing radiation on the patient. Therefore it is harmless to the body. As the name suggests, this diagnostic method is based on the phenomenon of nuclear magnetic resonance.

To understand what an MRI scan discount is, you need to have an idea of how it works. The essence of the technique is that the nuclei of some atoms placed in a magnetic field can absorb electromagnetic pulses. In the future, they convert the energy into radio signals and, after the end of the pulse, radiate them.

Tomographs used in medicine work on the nuclei of hydrogen atoms that make up water molecules, of which the human body is 70%. The amount of fluid in different organs of the body is different, as a result of which during the scan the tissues radiate different signals. Thanks to this, the MRI device can accurately:

  • Visualize internal organs;
  • Distinguish healthy cells from pathological;
  • Identify any violations of the work of the bodies.

This is a unique method of diagnosis, which allows specialists to obtain high-quality images of virtually all structures of the human body. MRI-examination especially accurately and in detail visualize soft tissues, joints, and cartilages. An innovative technique enables physicians to make images of structures that are difficult to obtain by other methods of research. Such hard-to-reach tissues include those that are located near the bone structures, for example:

  • Intervertebral discs;
  • Spinal cord and brain;
  • Inner ear;
  • Pelvic organs;
  • Ligamentous apparatus.

However, images of structures containing a small amount of water are less accurate in perceptions. Therefore, for examination of the lungs or bones of the skeleton, magnetic resonance imaging is rarely used.

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