Molecular imaging
Molecular Imaging
Molecular imaging (pronunciation: /məˈlɛkjʊlər ˈɪmɪdʒɪŋ/) is a type of medical imaging that provides detailed pictures of what is happening inside the body at the molecular and cellular level.
Etymology
The term "molecular imaging" is derived from the Latin "molecula", meaning a small mass or particle, and the Latin "imago", meaning image. It was first used in the late 20th century with the development of technologies that could visualize biological processes at the molecular level.
Definition
Molecular imaging involves the use of specialized equipment and substances known as radiopharmaceuticals or contrast agents to visualize, characterize, and measure biological processes in the body in a noninvasive or minimally invasive manner.
Techniques
There are several techniques used in molecular imaging, including:
- Positron Emission Tomography (PET)
- Single Photon Emission Computed Tomography (SPECT)
- Magnetic Resonance Imaging (MRI)
- Computed Tomography (CT)
- Ultrasound (US)
Applications
Molecular imaging has a wide range of applications in medical research and clinical practice, including:
- Oncology: Molecular imaging is used to diagnose and stage cancer, monitor response to treatment, and detect recurrence.
- Cardiology: It is used to assess heart function, detect coronary artery disease, and evaluate the effects of treatments.
- Neurology: Molecular imaging is used to study brain function, diagnose neurological disorders, and monitor the progression of diseases such as Alzheimer's and Parkinson's.
Related Terms
External links
- Medical encyclopedia article on Molecular imaging
- Wikipedia's article - Molecular imaging
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