Radiology

Radiology encompasses a range of imaging technologies including X-rays, ultrasound, computed tomography (CT), positron emission tomography (PET), and magnetic resonance imaging (MRI) to diagnose and treat disease.

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A

Tests
Abdominal CT scan
An abdominal CT scan is an imaging method. This test uses x-rays to create cross-sectional pictures of the belly area. CT stands for computed tomography.

Tests
Abdominal MRI scan
An abdominal magnetic resonance imaging scan is an imaging test that uses powerful magnets and radio waves. The waves create pictures of the inside of the belly area. It does not use radiation (x-rays)...

Tests
Abdominal ultrasound
Abdominal ultrasound is a type of imaging test. It is used to look at organs in the abdomen, including the liver, gallbladder, spleen, pancreas, and kidneys. The blood vessels that lead to some of these...

Tests
Aortic angiography
Aortic angiography is a procedure that uses a special dye and x-rays to see how blood flows through the aorta. The aorta is the major artery. It carries blood out of the heart, and through your abdomen...

B

Tests
Barium enema
Barium enema is a special x-ray of the large intestine, which includes the colon and rectum. x-ray

Tests
Bone scan
A bone scan is an imaging test used to diagnose bone diseases and find out how severe they are.

Tests
Bone x-ray
A bone x-ray is an imaging test to look at the bones. x-ray

Tests
Breast biopsy - stereotactic
A breast biopsy is the removal of breast tissue to examine it for signs of breast cancer or other disorders. breast cancer There are several types of breast biopsies, including stereotactic, ultrasound...

Tests
Breast biopsy - ultrasound
A breast biopsy is the removal of breast tissue to examine it for signs of breast cancer or other disorders. breast cancer There are several types of breast biopsies, including stereotactic, ultrasound...

Tests
Breast ultrasound
Breast ultrasound is a test that uses sound waves to examine the breasts.

C

Tests
CT scan
A computed tomography (CT) scan is an imaging method that uses x-rays to create pictures of cross-sections of the body. Related tests include: Abdominal and pelvis CT scanCranial or head CT scanCervical...

Tests
Carotid duplex
Carotid duplex is an ultrasound test that shows how well blood is flowing through the carotid arteries. The carotid arteries are located in the neck. They supply blood directly to the brain. ultrasound

Tests
Cerebral angiography
Cerebral angiography is a procedure that uses a special dye (contrast material) and x-rays to see how blood flows through the brain.

Tests
Chest CT
A chest CT (computed tomography) scan is an imaging method that uses x-rays to create cross-sectional pictures of the chest and upper abdomen.

Tests
Chest MRI
A chest MRI (magnetic resonance imaging) scan is an imaging test that uses powerful magnetic fields and radio waves to create pictures of the chest (thoracic area). It does not use radiation (x-rays).

Tests
Chest x-ray
A chest x-ray is an x-ray of the chest, lungs, heart, large arteries, ribs, and diaphragm. x-ray

D

Tests
Doppler ultrasound exam of an arm or leg
This test uses ultrasound to look at the blood flow in the large arteries and veins in the arms and legs. ultrasound

Tests
Duplex ultrasound
A duplex ultrasound is a test to see how blood moves through your arteries and veins. ultrasound

E

Tests
Enteroclysis
Enteroclysis is an imaging test of the small intestine. The test looks at how a liquid called contrast material moves through the small intestine.

Tests
Extremity angiography
Extremity angiography is a test used to see the arteries in the hands, arms, feet, or legs. It is also called peripheral angiography. Angiography uses x-rays and a special dye to see inside the arteries...

Tests
Extremity x-ray
An extremity x-ray is an image of the hands, wrist, feet, ankle, leg, thigh, forearm humerus or upper arm, hip, shoulder or all of these areas. The term "extremity" often refers to a human limb. x-ray X...

G

Tests
Gallbladder radionuclide scan
Gallbladder radionuclide scan is a test that uses radioactive material to check gallbladder function. It is also used to look for bile duct blockage or leak.

Tests
Gallium scan
A gallium scan is a test to look for swelling (inflammation), infection, or cancer in the body. It uses a radioactive material called gallium and is a type of nuclear medicine exam. nuclear medicine A related...

H

Tests
Hand x-ray
This test is an x-ray of one or both hands. x-ray

Tests
Head CT scan
A head computed tomography (CT) scan uses many x-rays to create pictures of the head, including the skull, brain, eye sockets, and sinuses. computed tomography

Tests
Head MRI
A head MRI (magnetic resonance imaging) is an imaging test that uses powerful magnets and radio waves to create pictures of the brain and surrounding nerve tissues. It does not use radiation.

Tests
Heart MRI
Heart magnetic resonance imaging is an imaging method that uses powerful magnets and radio waves to create pictures of the heart. It does not use radiation (x-rays). magnetic resonance imaging Single magnetic...

I

Special Topics
Imaging and radiology
Radiology is a branch of medicine that uses imaging technology to diagnose and treat disease. Radiology may be divided into two different areas, diagnostic radiology and interventional radiology. Doctors...

Tests
Indium-labelled WBC scan
Radioactive abscess scan looks for abscesses in the body using a radioactive material. An abscess occurs when pus collects due to an infection. abscess

Surgery
Intravascular ultrasound
Intravascular ultrasound (IVUS) is a diagnostic test. This test uses sound waves to see inside blood vessels. It is useful for evaluating the coronary arteries that supply the heart.

Tests
Intravenous pyelogram
An intravenous pyelogram (IVP) is a special x-ray exam of the kidneys, bladder, and ureters (the tubes that carry urine from the kidneys to the bladder). x-ray

Special Topics
Ions
An ion is an atom or group of atoms that has an electric charge. Ions with a positive charge are called cations. Ions with a negative charge are called anions. Many normal substances exist in the body as...

J

Tests
Joint x-ray
This test is an x-ray of a knee, shoulder, hip, wrist, ankle, or other joint.

L

Tests
Liver scan
A liver scan uses a radioactive material to check how well the liver or spleen is working and to assess masses in the liver.

Tests
Lumbosacral spine CT
A lumbosacral spine CT is a computed tomography scan of the lower spine and surrounding tissues. computed tomography

Tests
Lumbosacral spine x-ray
A lumbosacral spine x-ray is a picture of the small bones (vertebrae) in the lower part of the spine. This area includes the lumbar region and the sacrum, the area that connects the spine to the pelvis...

Tests
Lung gallium scan
Lung gallium scan is a type of nuclear scan that uses radioactive gallium to identify swelling (inflammation) in the lungs. nuclear scan

Tests
Lymphangiogram
A lymphangiogram is a special x-ray of the lymph nodes and lymph vessels. Lymph nodes produce white blood cells (lymphocytes) that help fight infections. The lymph nodes also filter and trap cancer cells...

M

Tests
MIBG scintiscan
An MIBG scintiscan is a type of imaging test. It uses a radioactive substance (called a tracer). A scanner finds or confirms the presence of pheochromocytoma and neuroblastoma. These are types of tumors...

Tests
MRI
A magnetic resonance imaging (MRI) scan is an imaging test that uses powerful magnets and radio waves to create pictures of the body. It does not use radiation (x-rays). Single MRI images are called slices...

Tests
Magnetic resonance angiography
Magnetic resonance angiography (MRA) is an MRI exam of the blood vessels. Unlike traditional angiography that involves placing a tube (catheter) into the body, MRA is noninvasive. MRI

Tests
Mammogram
A mammogram is an x-ray picture of the breasts. It is used to find breast tumors and cancer. x-ray

Tests
Mesenteric angiography
Mesenteric angiography is a test used took look at the blood vessels that supply the small and large intestines. Angiography is an imaging test that uses x-rays and a special dye to see inside the arteries...

N

Tests
Neck x-ray
A neck x-ray is an imaging test to look at cervical vertebrae. These are the 7 bones of the spine in the neck.

Tests
Nuclear stress test
Thallium stress test is a nuclear imaging method that shows how well blood flows into the heart muscle, both at rest and during activity.

O

Tests
Orbit CT scan
A computed tomography (CT) scan of the orbit is an imaging method. It uses x-rays to create detailed pictures of the eye sockets (orbits), eyes and surrounding bones.

P

Tests
PET scan
A positron emission tomography scan is a type of imaging test. It uses a radioactive substance called a tracer to look for disease in the body. A positron emission tomography (PET) scan shows how organs...

Tests
PET scan for breast cancer
A breast positron emission tomography (PET) scan is an imaging test that uses a radioactive substance (called a tracer) to look for breast cancer. This tracer can help identify areas of cancer that an MRI...

Tests
Pelvic CT scan
A computed tomography (CT) scan of the pelvis is an imaging method that uses x-rays to create cross-sectional pictures of the area between the hip bones. This part of the body is called the pelvic area...

Tests
Pelvis MRI scan
A pelvis MRI (magnetic resonance imaging) scan is an imaging test that uses a machine with powerful magnets and radio waves to create pictures of the area between the hip bones. This part of the body is...

Tests
Pelvis x-ray
A pelvis x-ray is a picture of the bones around both the hips. The pelvis connects the legs to the body. x-ray

Tests
Percutaneous transhepatic cholangiogram
A percutaneous transhepatic cholangiogram (PTCA) is an x-ray of the bile ducts. These are the tubes that carry bile from the liver to the gallbladder and small intestine.

Tests
Plethysmography
Plethysmography is used to measure changes in volume in different parts of the body. The test may be done to check for blood clots in the arms and legs. It is also done to measure how much air you can hold...

Special Topics
Proton therapy
Proton therapy is a kind of radiation used to treat cancer. Like other types of radiation, proton therapy kills cancer cells and stops them from growing. radiation

Tests
Pulmonary angiography
Pulmonary angiography is a test to see how blood flows through the lung. Angiography is an imaging test that uses x-rays and a special dye to see inside the arteries. Arteries are blood vessels that carry...

R

Tests
RBC nuclear scan
An RBC nuclear scan uses small amounts of radioactive material to mark (tag) red blood cells (RBCs). Your body is then scanned to see the cells and track how they move through the body.

Injury
Radiation sickness
Radiation sickness is illness and symptoms resulting from excessive exposure to ionizing radiation. There are two main types of radiation: nonionizing and ionizing. Nonionizing radiation comes in the form...

Special Topics
Radiation therapy
Radiation therapy uses high-powered x-rays, particles, or radioactive seeds to kill cancer cells. cancer

Tests
Radionuclide cisternogram
A radionuclide cisternogram is a nuclear scan test. It is used to diagnose problems with the flow of spinal fluid.

Tests
Radionuclide cystogram
A radionuclide cystogram is a special imaging nuclear scan test. It checks how well your bladder and urinary tract work. nuclear scan

Tests
Renal arteriography
Renal arteriography is a special x-ray of the blood vessels of the kidneys.

Tests
Renal perfusion scintiscan
A renal perfusion scintiscan is a nuclear medicine test. It uses a small amount of a radioactive substance to create an image of the kidneys.

Tests
Renal scan
A renal scan is a nuclear medicine exam in which a small amount of radioactive material (radioisotope) is used to measure the function of the kidneys. nuclear medicine

Tests
Renal venogram
A renal venogram is a test to look at the veins in the kidney. It uses x-rays and a special dye (called contrast). x-rays X-rays are a form of electromagnetic radiation like light, but of higher energy...

Tests
Retrograde cystography
Retrograde cystography is a detailed x-ray of the bladder. Contrast dye is placed into the bladder through the urethra. The urethra is the tube that carries urine from the bladder to the outside of the...

S

Tests
Scrotal ultrasound
Scrotal ultrasound is an imaging test that looks at the scrotum. It is the flesh-covered sac that hangs between the legs at the base of the penis and contains the testicles. ultrasound The testicles are...

Tests
Sialogram
A sialogram is an x-ray of the salivary ducts and glands. x-ray The salivary glands are located on each side of the head, in the cheeks and under the jaw. They release saliva into the mouth.

Tests
Sinus x-ray
A sinus x-ray is an imaging test to look at the sinuses. These are the air-filled spaces in the front of the skull. x-ray

Tests
Skull x-ray
A skull x-ray is a picture of the bones surrounding the brain, including the facial bones, the nose, and the sinuses. x-ray

Surgery
Stereotactic radiosurgery - CyberKnife
Stereotactic radiosurgery (SRS) is a form of radiation therapy that focuses high-power energy on a small area of the body. Despite its name, radiosurgery is a treatment, not a surgical procedure. Incisions...

T

Tests
Thoracic spine x-ray
A thoracic spine x-ray is an x-ray of the twelve chest (thoracic) bones (vertebrae). The vertebrae are separated by flat pads of cartilage called disks that provide a cushion between the bones.

Tests
Thyroid scan
A thyroid scan uses a radioactive iodine tracer to examine the structure and function of the thyroid gland. This test is often done together with a radioactive iodine uptake test. radioactive iodine uptake...

Tests
Thyroid ultrasound
A thyroid ultrasound is an imaging method to see the thyroid, a gland in the neck that regulates metabolism. metabolism

Tests
Transvaginal ultrasound
Transvaginal ultrasound is a test used to look at a woman's uterus, ovaries, tubes, cervix and pelvic area. cervix Transvaginal means across or through the vagina. The ultrasound probe will be placed inside...

U

Tests
Ultrasound
Ultrasound uses high-frequency sound waves to make images of organs and structures inside the body.

Tests
Ultrasound pregnancy
A pregnancy ultrasound is an imaging test that uses sound waves to create a picture of how a baby is developing in the womb. It is also used to check the female pelvic organs during pregnancy.

Tests
Upper GI and small bowel series
An upper GI and small bowel series is a set of x-rays taken to examine the esophagus, stomach, and small intestine. x-rays Barium enema is a related test that examines the large intestine. Barium enema

V

Tests
Venogram
A venogram is a way to look at veins in your body. It uses x-rays and a radiographic contrast material. It is most often used to look at veins in the legs and belly area (abdomen). x-rays Veins are not...

Tests
Venogram - leg
Venography for legs is a test used to see the veins in the leg. X-rays are a form of electromagnetic radiation, like visible light is. However, these rays are of higher energy. Therefore, they can go through...

Tests
Virtual colonoscopy
Virtual colonoscopy (VC) is an imaging or x-ray test that looks for cancer, polyps, or other disease in the large intestine (colon). The medical name of this test is CT colonography. polyps

Tests
Voiding cystourethrogram
A voiding cystourethrogram is an x-ray study of the bladder and urethra. It is done while the bladder is emptying. x-ray

W

Tests
WBC scan
A white blood cell (WBC) scan is an imaging test that uses a radioactive material called a tracer. It looks for infection or inflammation in the body. It is a type of nuclear scan. nuclear scan

X

Tests
X-ray
X-rays are a type of electromagnetic radiation, just like visible light. An x-ray machine sends individual x-ray particles through the body. The images are recorded on a computer or film. Structures that...

Tests
X-ray - skeleton
A skeletal x-ray is an imaging test used to look at the bones. It is used to detect fractures, tumors, or conditions that cause wearing away (degeneration) of the bone. x-ray fractures