What is a Radiologist?

A radiologist is a medical doctor who specializes in diagnosing and treating diseases and injuries using medical imaging techniques. These imaging techniques include X-rays, CT scans, MRI scans, ultrasounds, and nuclear medicine scans. Radiologists use these imaging techniques to create images of the body's internal structures, allowing them to diagnose and monitor a wide range of conditions, from broken bones and tumors to heart disease and brain disorders.

Radiologists play a critical role in modern healthcare, as they are often the first medical professionals to see images of a patient's internal structures. They work closely with other physicians, such as oncologists and neurologists, to help diagnose and monitor a variety of conditions. Radiologists also play an important role in treatment planning, using their knowledge of medical imaging to help guide minimally invasive procedures and surgeries. Additionally, radiologists may also work in research and teaching, helping to advance the field of medical imaging and train the next generation of radiologists.

What does a Radiologist do?

A radiologist looking at an X-ray.

Duties and Responsibilities
Radiologists play a critical role in diagnosing and treating a wide range of diseases and injuries and are an essential part of modern healthcare. Their duties and responsibilities vary depending on their specialization, but some of the most common duties and responsibilities of radiologists include:

  • Analyzing medical images: Radiologists are responsible for interpreting medical images, such as X-rays, CT scans, MRI scans, ultrasounds, and nuclear medicine scans, to diagnose and monitor a wide range of conditions. They use their expertise to identify abnormalities or changes in the images and make a diagnosis based on their findings.
  • Consultation with other physicians: Radiologists work closely with other physicians, such as oncologists and neurologists, to help diagnose and treat a variety of conditions. They provide consultative services to other physicians and may also participate in multidisciplinary team meetings to develop treatment plans for complex cases.
  • Supervising medical imaging procedures: Radiologists may supervise and direct medical imaging technologists or radiologic technologists during medical imaging procedures to ensure that the imaging is done correctly and safely. They may also recommend specific imaging procedures and techniques for specific diagnoses.
  • Performing image-guided procedures: Radiologists may perform image-guided procedures, such as biopsies, drainages, and vascular access procedures, using imaging techniques to guide the procedure and ensure accuracy and safety.
  • Maintaining patient records: Radiologists are responsible for maintaining detailed records of each patient's medical imaging studies, including the results and interpretation of each study.
  • Participating in research and teaching: Radiologists may also participate in research projects to advance the field of medical imaging and develop new imaging techniques. They may also teach medical students and residents about medical imaging and its applications in diagnosing and treating diseases and injuries.
  • Ensuring safety: Radiologists play a critical role in ensuring the safety of patients undergoing medical imaging procedures. They are responsible for minimizing radiation exposure and ensuring that imaging procedures are done safely and accurately.

Types of Radiologists
Radiology is a specialized field of medicine that encompasses a wide range of diagnostic and therapeutic imaging techniques. There are several types of radiologists who specialize in different areas of radiology. Here are some of the most common types of radiologists:

  • Diagnostic Radiologist: A diagnostic radiologist specializes in interpreting medical images to diagnose and monitor various medical conditions, including cancer, heart disease, and neurological disorders. They use a variety of imaging techniques, such as X-rays, CT scans, MRI scans, and ultrasound, to provide accurate diagnoses.
  • Interventional Radiologist: Interventional radiologists use imaging techniques to guide minimally invasive procedures for the treatment of various conditions. They may perform procedures such as biopsies, drainages, and vascular access procedures.
  • Radiation Oncologist: A radiation oncologist is a specialist in the use of radiation therapy to treat cancer. They work closely with other physicians, such as medical oncologists and surgeons, to develop treatment plans for cancer patients.
  • Pediatric Radiologist: A pediatric radiologist specializes in diagnosing and treating medical conditions in children using medical imaging techniques that are tailored to their unique physiology and anatomy.
  • Neuroradiologist: A neuroradiologist specializes in imaging the brain, spinal cord, and nervous system. They use a variety of imaging techniques to diagnose and monitor neurological conditions such as brain tumors, stroke, and multiple sclerosis.
  • Nuclear Medicine Radiologist: A nuclear medicine radiologist specializes in the use of radioactive materials to diagnose and treat medical conditions. They use imaging techniques such as PET scans and SPECT scans to provide detailed images of the body's internal structures.
  • Musculoskeletal Radiologist: A musculoskeletal radiologist specializes in imaging the bones, joints, and muscles of the body. They use imaging techniques such as X-rays, CT scans, and MRI scans to diagnose and monitor conditions such as arthritis, fractures, and sports injuries.

Are you suited to be a radiologist?

Radiologists have distinct personalities. They tend to be investigative individuals, which means they’re intellectual, introspective, and inquisitive. They are curious, methodical, rational, analytical, and logical. Some of them are also realistic, meaning they’re independent, stable, persistent, genuine, practical, and thrifty.

Does this sound like you? Take our free career test to find out if radiologist is one of your top career matches.

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What is the workplace of a Radiologist like?

Radiologists work in a variety of settings, including hospitals, imaging centers, outpatient clinics, and private practices. The work environment of a radiologist depends on their specialty, the type of imaging technology they use, and the specific workplace.

In hospitals, radiologists work in radiology departments or imaging centers, where they collaborate with other physicians and medical staff. They may work in a fast-paced and dynamic environment, dealing with emergencies and urgent cases. Hospital-based radiologists may be responsible for interpreting a large volume of imaging studies, such as X-rays, CT scans, MRI scans, and ultrasounds, and may be called upon to provide consultation services to other physicians.

In outpatient clinics and private practices, radiologists typically work regular business hours and see patients for scheduled appointments. They may specialize in specific areas of radiology, such as breast imaging or musculoskeletal imaging, and work closely with other healthcare professionals to provide accurate diagnoses and treatment plans.

Radiologists use specialized imaging equipment and computer systems to analyze and interpret medical images, so their work often involves spending time in front of computer screens. They may also spend time working with patients, explaining procedures, and answering questions about medical imaging studies.

Frequently Asked Questions

Radiologist vs Radiologic Technologist

Radiologists and radiologic technologists are both important healthcare professionals who work with medical imaging equipment to diagnose and treat a wide range of medical conditions. However, there are some key differences between these two professions.

A radiologist is a medical doctor who has completed specialized training in the interpretation of medical images to diagnose and monitor medical conditions. They use a variety of imaging techniques, such as X-rays, CT scans, MRI scans, and ultrasounds, to provide accurate diagnoses. Radiologists also work closely with other physicians and healthcare professionals to develop treatment plans for patients.

On the other hand, a radiologic technologist is a healthcare professional who operates medical imaging equipment to produce images of the body that are used for diagnosis and treatment. Radiologic technologists may specialize in a particular type of imaging, such as X-rays, CT scans, MRI scans, or ultrasounds. They work closely with radiologists and other healthcare professionals to ensure that images are produced accurately and in a timely manner.

While radiologists and radiologic technologists both work with medical imaging equipment, radiologists have a more specialized role in interpreting the images produced by these machines. Radiologic technologists, on the other hand, are responsible for operating the equipment and ensuring that images are produced accurately.

In summary, radiologists and radiologic technologists are both important healthcare professionals who work with medical imaging equipment to diagnose and treat medical conditions. However, radiologists have a more specialized role in interpreting medical images and developing treatment plans, while radiologic technologists are responsible for operating the imaging equipment.

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Comprehensive List of Doctor Specializations and Degrees

Here is a comprehensive list of specializations that a doctor can pursue and a brief summary of each specialization:

  • Allergist: An allergist specializes in the diagnosis and treatment of allergies, asthma, and related conditions. Allergists have specialized training in the recognition and management of allergic reactions.
  • Anesthesiologist: An anesthesiologist keeps a patient comfortable, safe and pain-free during surgery by administering local or general anesthetic.
  • Cardiologist: A cardiologist specializes in finding, treating, and preventing diseases that affect the heart, the arteries, and the veins.
  • Cardiothoracic Surgeon: A cardiothoracic surgeon specializes in surgical procedures inside the thorax (the chest), which may involve the heart, lungs, esophagus, and other organs in the chest. As well as performing surgery, they also diagnose and treat diseases of these organs.
  • Chiropractic Neurologist: A chiropractic neurologist is a specialized type of chiropractor who has undergone additional training in the field of neurology. They diagnose and treat conditions that affect the brain, spinal cord, and other parts of the nervous system.
  • Chiropractor: A chiropractor, or doctor of chiropractic medicine, specializes in diagnosing and treating disorders of the musculoskeletal and nervous system, especially in the spine. Treatment is usually physical manipulation of the joints and the spine to bring them back into alignment. A chiropractor does not perform surgery or prescribe medication.
  • Colorectal Surgeon: A colorectal surgeon specializes in diseases of the colon, rectum, and anus, as well as the entire gastric tract. These surgeons work closely with urologists, who handle the urogenital tract in males and the urinary tract of women, gynecologists, who deal with specific female issues, and gastroenterologists, who deal with diseases of the gut.
  • Doctor: An general overview of what a doctor does and how to become one.
  • Dentist: Dentists identify potential oral health issues such as gum disease, as well as examine patients, order medical tests and determine the correct diagnosis and treatment. They also perform oral surgery and remove teeth or address other dental health problems.
  • Dermatologist: A dermatologist specializes in the prevention, diagnosis, and treatment of conditions affecting skin, hair, sweat and oil glands, nails, and mucus membranes (inside the mouth, nose, and eyelids) which can include cancer.
  • Emergency Medicine Physician: An emergency medicine physician works in emergency departments, hospitals, and urgent care clinics, and is often the first medical professional that patients see when they are in need of urgent medical care.
  • Endocrinologist: An endocrinologist specializes in diagnosing conditions and diseases related to the glands and hormones. While primary care doctors know a lot about the human body, for conditions and diseases directly related to glands and hormones they will typically send a patient to an endocrinologist.
  • Family Practitioner: A family practitioner specializes in caring for the entire family. Patients can be children, adults, and the elderly, and are treated for a wide array of medical issues.
  • Forensic Pathologist: A forensic pathologist investigates the cause of sudden and unexpected deaths, and is able to determine how a person died by performing an autopsy and studying tissue and laboratory results. These doctors are often called upon to provide evidence in court regarding the cause and time of such deaths.
  • Gastroenterologist: A gastroenterologist has specific training in diagnosing and treating conditions and diseases of the gastrointestinal (GI) tract. This may include diseases and disorders that affect the the biliary system (liver, pancreas, gallbladder, and bile ducts), as well as the esophagus, stomach, small intestine, and large intestine (colon).
  • Geriatrician: A geriatrician specializes in the care of elderly patients, and often works with patients who have multiple chronic conditions, such as hypertension, diabetes, and heart disease, as well as age-related cognitive and functional impairments.
  • Gynecologist: A gynecologist specializes in women's reproductive systems. Gynecologists are also sometimes certified as obstetricians, and will monitor the health of the mother and the fetus during a pregnancy.
  • Hematologist: A doctor who specializes in the diagnosis and treatment of blood disorders, such as anemia and leukemia.
  • Hospitalist: A hospitalist is a physician whose focus is the general medical care of hospitalized patients. Their duties include patient care, teaching, research, and leadership related to hospital medicine.
  • Immunologist: An immunologist specializes in managing problems related to the immune system, such as allergies and autoimmune diseases. A smaller number of immunologists are strictly researchers seeking to better understand how the immune system works and to help develop better ways of diagnosing and providing treatment for many immunological conditions.
  • Infectious Disease Specialist: A doctor who specializes in the diagnosis and treatment of infectious diseases, such as HIV/AIDS, tuberculosis, and hepatitis.
  • Internist: An internist is a 'doctor of internal medicine' who can diagnose, treat, and practice compassionate care for adults across the spectrum, from health to complex illness. They are not to be mistaken with "interns," who are doctors in their first year of residency training.
  • Medical Examiner: Medical examiners are responsible for performing autopsies and collecting evidence related to the circumstances of a death, including medical history, physical examination findings, and toxicology tests.
  • Naturopathic Physician: A naturopathic physician blends modern scientific medical practice and knowledge with natural and traditional forms of medical treatment. The goal is to treat the underlying causes of disease while stimulating the body's own healing abilities.
  • Nephrologist: A doctor who specializes in the diagnosis and treatment of kidney diseases. They treat conditions such as chronic kidney disease, acute kidney injury, kidney stones, hypertension, and electrolyte imbalances.
  • Neurologist: A neurologist specializes in treating diseases that affect the human nervous system. It is a very prestigious and difficult medical specialty due to the complexity of the nervous system, which consists of the brain, the spinal cord and the peripheral nerves.
  • Neurosurgeon: A neurosurgeon specializes in the diagnosis and surgical treatment of disorders of the central and peripheral nervous system. This includes congenital anomalies, trauma, tumours, vascular disorders, infections of the brain or spine, stroke, or degenerative diseases of the spine.
  • Obstetrician: An obstetrician is a medical doctor who specializes in caring for women during pregnancy, childbirth, and the postpartum period.
  • Occupational Physician: Occupational medicine is focused on keeping individuals well at work, both mentally and physically. As workplaces become more complex, occupational physicians play an important role in advising people on how their work can affect their health.
  • Oncologist: An oncologist specializes in the diagnosis and treatment of cancer. The three primary types of oncologists are: medical oncologists that specialize in the administration of drugs to kill cancer cells; surgical oncologists that perform surgical procedures to identify and remove cancerous tumors; and radiation oncologists that treat cancer with radiation therapy.
  • Ophthalmologist: An ophthalmologist is a specialist that deals specifically with the structure, function, diseases, and treatment of the eye. Due to the complexities and the importance of the eye as a special sense that provides vision, the discipline of ophthalmology is dedicated solely to this organ.
  • Oral and Maxillofacial Surgeon: An oral and maxillofacial surgeon treats dental and medical problems involving the oral cavity and the maxillofacial area. The maxillofacial area includes the bones of the forehead, face, cheekbones and the soft tissues. Treatment often involves performing surgery and related procedures to treat diseases, defects, or injuries, and to improve function or appearance.
  • Orthopaedic Surgeon / Orthopedist: An orthopaedic surgeon (or orthopedist) examines, diagnoses, and treats diseases and injuries of the musculoskeletal system. This system includes the bones, joints, ligaments, muscles, tendons, and nerves.
  • Orthodontist: An orthodontist specializes in how the jaws and teeth are aligned. They help people whose teeth are misaligned or require some kind of correction – those with an improper bite, or malocclusion.
  • Osteopath: Osteopaths have attended and graduated from an osteopathic medical school and practise the system of healthcare known as osteopathy. They consider all aspects of the patient, not just the symptoms they exhibit. They see the integrated nature of the body’s organ systems and its capacity for self-regulation and self-healing.
  • Otolaryngologist: Otolaryngologists (or ENT physicians) are specialists trained in the diagnosis and treatment of patients with diseases and disorders of the ear, nose, throat (ENT), and related structures of the head and neck. These specialists are trained in both medicine and surgery.
  • Pathologist: A pathologist studies the causes, nature, and effects of disease. The field of pathology is broad with concentrations on changes in cells, tissues, and organs that are the result of a disease.
  • Pediatrician: A pediatrician specializes in providing medical care to infants, children and teenagers by administering treatments, therapies, medications and vaccinations to treat illness, disorders or injuries.
  • Periodontist: A periodontist is a dentist who specializes in oral inflammation, and who knows how to prevent, diagnose, and treat periodontal disease.
  • Plastic Surgeon: A plastic surgeon specializes in reshaping healthy body parts for aesthetic reasons, and also in repairing or replacing body parts damaged by accidents, illness or malformation.
  • Podiatrist: A podiatrist practices podiatric medicine, which is a branch of science devoted to the diagnosis, treatment and study of medical disorders of the foot, ankle, lower leg and lower back. In the U.S. and Canada, podiatry is practiced as a specialty.
  • Prosthodontist: A prosthodontist specializes in restoring the look, function, comfort, and health of a patient's oral cavity with artificial materials. These artificial materials are made up of a wide variety of restorations that include fillings, dentures, veneers, crowns, bridges and oral implants.
  • Psychiatrist: Psychiatrists are physicians who evaluate, diagnose and treat patients who are affected by a temporary or chronic mental health problem.
  • Pulmonologist: A pulmonologist specializes in the diagnosis and treatment of pulmonary (lung) conditions and diseases of the chest, particularly pneumonia, asthma, tuberculosis, emphysema, and complicated chest infections.
  • Radiologist: A radiologist is a specialist in interpreting medical images that may be obtained with x-rays, (CT scans or radiographs), nuclear medicine (involving radioactive substances, magnetism (MRI), or ultrasound.
  • Rheumatologist: A doctor who specializes in the diagnosis and treatment of rheumatic diseases, such as rheumatoid arthritis and lupus.
  • Sports Medicine Physician: A sports medicine physician specializes in taking care of people who have sports injuries that may be acquired from playing sports, exercising, or from otherwise being physically active.
  • Surgeon: A surgeon performs surgery for the purpose of removing diseased tissue or organs, to repair body systems, or to replace diseased organs with transplants.
  • Urologist: A urologist specializes in the treatment of the male and female urinary tract and the male reproductive organs. Urologists can treat the kidneys, urinary bladder, urethra, uterus, and male reproductive organs. There are also specific specialty areas that urologists may choose to focus on, such as pediatric urology, male infertility, and urologic oncology.
  • Vascular Medicine Specialist - A vascular medicine specialist specializes in the diagnosis and nonsurgical treatment of conditions affecting the blood vessels. They may work with patients who have conditions such as deep vein thrombosis, peripheral artery disease, or pulmonary embolism.
  • Vascular Surgeon - A vascular surgeon specializes in the diagnosis and surgical treatment of conditions affecting the blood vessels, including aneurysms, peripheral artery disease, and varicose veins.

Corresponding Degrees

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See Also
Doctor Allergist Anesthesiologist Cardiologist Cardiothoracic Surgeon Chiropractor Colorectal Surgeon Dentist Dermatologist Emergency Medicine Physician Endocrinologist Family Practitioner Forensic Pathologist Gastroenterologist Geriatrician Gynecologist Hematologist Hospitalist Immunologist Infectious Disease Specialist Internist Medical Examiner Naturopathic Physician Nephrologist Neurologist Neurosurgeon Obstetrician Occupational Physician Oncologist Ophthalmologist Oral and Maxillofacial Surgeon Orthopaedic Surgeon Orthopedist Orthodontist Osteopath Otolaryngologist Pathologist Pediatrician Periodontist Plastic Surgeon Podiatrist Prosthodontist Psychiatrist Pulmonologist Rheumatologist Sports Medicine Physician Surgeon Urologist Vascular Medicine Specialist Vascular Surgeon Chiropractic Neurologist

How long does it take to become a Radiologist?

Becoming a radiologist is a lengthy process that requires several years of education and training. Here is an overview of the typical timeline for becoming a radiologist in the United States:

  • Bachelor's Degree: The first step in becoming a radiologist is to earn a bachelor's degree, which typically takes four years to complete.
  • Medical School: After earning a bachelor's degree, aspiring radiologists must attend medical school, which typically takes four years to complete.
  • Residency: After graduating from medical school, aspiring radiologists must complete a residency program in radiology, which typically takes four years to complete.
  • Fellowship: Some radiologists may choose to pursue a fellowship in a specialized area of radiology, such as interventional radiology or neuroradiology. Fellowships typically last one to two years.
  • Board Certification: After completing residency and any necessary fellowships, radiologists must pass a certification exam in radiology administered by the American Board of Radiology (ABR) or the American Osteopathic Board of Radiology (AOBR).

Overall, it typically takes about 13 years of education and training after high school to become a board-certified radiologist in the United States. This timeline may vary slightly depending on the specific educational and training requirements of each individual program.

Pros and cons of being a Radiologist

Being a radiologist is a rewarding and challenging career that requires a significant amount of education and training. Like any profession, there are pros and cons to working as a radiologist. Here are some of the key pros and cons to consider if you are thinking about pursuing a career in radiology:


  • High Earning Potential: Radiologists are among the highest-paid physicians, with a median annual salary of over $400,000. This high earning potential is due in part to the specialized training and expertise required to interpret medical images and provide accurate diagnoses.
  • Variety of Specializations: Radiology is a broad field that offers a wide range of specializations, including diagnostic radiology, interventional radiology, neuroradiology, musculoskeletal radiology, and breast imaging. This variety of specializations allows radiologists to focus on areas of particular interest and expertise.
  • Use of Advanced Technology: Radiologists work with advanced imaging technology, such as X-rays, CT scans, MRI scans, and ultrasounds, to diagnose and treat medical conditions. This use of advanced technology can be intellectually stimulating and rewarding.
  • Collaborative Work Environment: Radiologists work closely with other physicians, healthcare professionals, and medical imaging technologists to provide accurate diagnoses and treatment plans. This collaborative work environment can be rewarding and allow for opportunities to learn from and teach others.


  • High Level of Responsibility: Radiologists have a high level of responsibility for interpreting medical images and providing accurate diagnoses. This responsibility can be stressful and requires a high level of attention to detail.
  • Long Hours: Radiologists often work long hours, including evenings, weekends, and holidays. This can be challenging for those who value work-life balance.
  • Potential Exposure to Radiation: Radiologists may be exposed to ionizing radiation during the course of their work. While measures are taken to minimize radiation exposure, this risk is still present and may be a concern for some.
  • Rapidly Changing Technology: Radiology is a field that is constantly evolving, with new imaging technologies and techniques being developed all the time. Keeping up with these changes requires ongoing education and training.

Overall, being a radiologist can be a rewarding and challenging career with a high earning potential, a variety of specializations, and the use of advanced technology. However, it also requires a significant level of responsibility, may involve long hours and potential exposure to radiation, and requires ongoing education to keep up with rapidly changing technology.