Imaging tests refer to a broad range of diagnostic techniques used in medicine to visualize the internal structures of the body for diagnostic purposes. These tests employ various technologies to generate detailed images of organs, tissues, and bones, aiding healthcare professionals in diagnosing and monitoring medical conditions. Common imaging modalities include X-rays, ultrasound, computed tomography (CT), magnetic resonance imaging (MRI), positron emission tomography (PET), and mammography.
X-rays utilize electromagnetic radiation to produce images of bones, while ultrasound uses sound waves to create images of soft tissues. CT scans combine X-rays and computer technology to generate cross-sectional images of the body, offering detailed views of internal structures. MRI scans use magnetic fields and radio waves to produce detailed images of organs and tissues, particularly useful for soft tissue imaging and neurological conditions. PET scans involve injecting a radioactive tracer to visualize metabolic activity in the body. Imaging tests play a vital role in diagnosing a wide range of medical conditions, including fractures, tumors, infections, cardiovascular diseases, neurological disorders, and cancer.