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Radiology

Radiology

Radiology is the area of medicine that uses X-rays, magnetic waves and ultrasound to obtain detailed images of the inside of the body. Doctors can then use those images to detect and diagnose illnesses and injuries, as well as to help develop treatment plans. The Radiology Department at Henderson Hospital offers radiology (also called imaging) services to residents of SAIH, Rohini and the surrounding region. Below are descriptions of some of the imaging tests available at SAIH.

Breast Ultrasound

Ultrasound is a noninvasive, non-radiation examination that uses sound waves to detect disease and locate possible abnormalities in breast tissue. Ultrasound systems at SAIH are designed to provide doctors with precise images for efficient diagnosis of breast problems. The system enables the physician to perform high-resolution panoramic imaging or 3D scanning in real time.

Computed Tomography (CT) Scan

Computed tomography (CT) is an imaging test that creates detailed images of internal organs, bones and tissue. The images generated during a CT scan can be reformatted into three-dimensional images viewed on a computer monitor, printed out or transferred to other media. SAIH uses a 64-slice scanner, as well as a four-slice scanner for CT examinations. Each time the scanner rotates around a patient’s body, it uses low radiation X-rays to create four or 64 high-resolution slices (images). Because the scanner circles a patient’s body about four times every second, patients lie inside of the CT machine for two to three minutes.

Digital Mammography

Digital mammography is a system to detect breast cancer or other abnormalities. It is replacing traditional X-rays with electronic pictures of the breast. These mammography systems are similar to those found in digital cameras. The images the radiologist reviews are sharper and clearer than film x-rays and the patient’s mammogram requires a lower dose of radiation. The radiologist reviews and stores the mammograms on a computer. The woman’s experience during a digital mammogram is almost identical to the one she would have during a film mammogram. The only difference she might notice is that her mammogram is now available to her on a compact disc (CD) rather than on a large piece of film.

Magnetic Resonance Angiography (MRA)

Magnetic Resonance Angiography (MRA) is the use of MRI imaging (see below) to study a patient’s blood vessels after the injection of a contrast material. Unlike conventional angiography, which is an invasive procedure, MRA is noninvasive other than an injection with a needle to administer the contrast material. This technique can be used to obtain images of arteries in the brain, heart, kidneys, gastrointestinal tract, aorta, neck, chest, limbs and pulmonary system.

Nuclear Medicine

Radiologists at Henderson Hospital use nuclear medicine imaging to obtain detailed images of the body to help them identify disease. Nuclear medicine, which uses radioactive material to diagnose and determine the severity of disease, offers unique diagnostic information about the function of many organs in the body that other imaging methods may not provide. This form of imaging can often identify abnormalities very early in the progression of a disease; this enables treatment to begin at the earliest stage of a disease. Nuclear medicine is used to diagnose and monitor a wide range of diseases, including various cancers, heart disease, endocrine, gastrointestinal and neurological disorders.

X-ray (Radiography)

X-ray (also called radiography) uses a very small dose of radiation to produce pictures of the inside of the body. X-rays are the most frequently used form of medical imaging and they are also the oldest. They are often used to help see bone fracture, injuries or infections; they are also used to locate foreign objects in soft tissue. In some cases, x-ray tests are used in conjunction with an iodine-based contrast material, which is swallowed, to help doctors see certain organs, blood vessels or tissue.