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  2. High-resolution computed tomography - Wikipedia

    en.wikipedia.org/wiki/High-resolution_computed...

    Low-dose high-resolution (1.25 mm) chest CT. HRCT is performed using a conventional CT scanner. However, imaging parameters are chosen so as to maximize spatial resolution: [1] a narrow slice width is used (usually 1–2 mm), a high spatial resolution image reconstruction algorithm is used, field of view is minimized, so as to minimize the size of each pixel, and other scan factors (e.g. focal ...

  3. Breast imaging - Wikipedia

    en.wikipedia.org/wiki/Breast_imaging

    Traditional screening and diagnostic mammography ("2D mammography") uses x-ray technology and has been the mainstay of breast imaging for many decades. Breast tomosynthesis ("3D mammography") is a relatively new digital x-ray mammography technique that produces multiple image slices of the breast similar to, but distinct from, computed ...

  4. Tomosynthesis - Wikipedia

    en.wikipedia.org/wiki/Tomosynthesis

    Tomosynthesis, also digital tomosynthesis (DTS), is a method for performing high-resolution limited-angle tomography at radiation dose levels comparable with projectional radiography. It has been studied for a variety of clinical applications, including vascular imaging, dental imaging, orthopedic imaging, mammographic imaging, musculoskeletal ...

  5. Why Mammograms Are More Confusing Than Ever - AOL

    www.aol.com/why-mammograms-more-confusing-ever...

    Mammogram screening guidelines are confusing. Doctors explain when you should get screened, depending on your risk of breast cancer, age, and family history. ... Radiation treatment to the chest ...

  6. What to Expect at a Mammogram - AOL

    www.aol.com/expect-mammogram-181844317.html

    In these high-risk cases, it may be recommended you start mammograms before the age of 40 and/or to supplement mammograms with other tests like ultrasound or MRI, says Vincoff.

  7. CT scan - Wikipedia

    en.wikipedia.org/wiki/CT_scan

    In general, higher radiation doses result in higher-resolution images, [118] while lower doses lead to increased image noise and unsharp images. However, increased dosage raises the adverse side effects, including the risk of radiation-induced cancer – a four-phase abdominal CT gives the same radiation dose as 300 chest X-rays. [119]

  8. Medical imaging - Wikipedia

    en.wikipedia.org/wiki/Medical_imaging

    Two forms of radiographic images are in use in medical imaging. Projection radiography and fluoroscopy, with the latter being useful for catheter guidance. These 2D techniques are still in wide use despite the advance of 3D tomography due to the low cost, high resolution, and depending on the application, lower radiation dosages with 2D technique.

  9. Computed tomography of the chest - Wikipedia

    en.wikipedia.org/wiki/Computed_tomography_of_the...

    Modern detail-oriented scans such as high-resolution computed tomography (HRCT) is the gold standard in respiratory medicine and thoracic surgery for investigating disorders of the lung parenchyma . Contrasted CT scans of the chest are usually used to confirm diagnosis of for lung cancer and abscesses , as well as to assess lymph node status at ...

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