Imaging

Radiology and Ultrasonography

Radiology is a specialty that uses medical imaging to diagnose and treat diseases seen within the body. A variety of imaging techniques such as X-ray radiography, ultrasound, computed tomography (CT), nuclear medicine including positron emission tomography (PET), and magnetic resonance imaging (MRI) are used to diagnose and/or treat diseases. Interventional radiology is the performance of (usually minimally invasive) medical procedures with the guidance of imaging technologies.

The acquisition of medical images is usually carried out by the Radiographer, often known as a Radiologic Technologist. Depending on location, the Diagnostic Radiologist, or Reporting Radiographer, then interprets the images and produces a report of their findings and impression or diagnosis. This report is then transmitted to the Clinician who requested the imaging, either routinely or emergently.

Radiographs are produced by transmitting X-rays through a patient. The X-rays are projected through the body onto a detector; an image is formed based on which rays pass through (and are detected) versus those that are absorbed or scattered in the patient (and thus are not detected)

Medical ultrasonography uses ultrasound (high-frequency sound waves) to visualize soft tissue structures in the body in real time. No ionizing radiation is involved, but the quality of the images obtained using ultrasound is highly dependent on the skill of the person (ultrasonographer) performing the exam and the patient's body size.

Interventional radiology (IR or sometimes VIR for vascular and interventional radiology) is a subspecialty of radiology in which minimally invasive procedures are performed using image guidance. Some of these procedures are done for purely diagnostic purposes (e.g., angiogram), while others are done for treatment purposes (e.g., angioplasty).

SJM Hospital provides several radiology services and supports all our other patient care services - outpatient, inpatient and emergency. Some commonly used radiology services at the SJM Hospital include:

  • Digital X-Ray
  • Ultrasound
  • Transvaginal and transrectal sonography
  • Sonography of small parts such as thyroid, parathyroid, scrotum etc.

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SJM Chowk on NH-24
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Sector 63, Noida, India