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Breast cancer affects 1 in 8 women, and an estimated 27% of people live at least 5 years after being diagnosed with stage IV cancer according to the National Cancer Institute. [1] Mammography is the most commonly used method to screen for cancer, but there are three major drawbacks. [2] The first is ionizing radiation. Since mammography uses ...
Photoacoustic imaging or optoacoustic imaging is a biomedical imaging modality based on the photoacoustic effect.Non-ionizing laser pulses are delivered into biological tissues and part of the energy will be absorbed and converted into heat, leading to transient thermoelastic expansion and thus wideband (i.e. MHz) ultrasonic emission.
Breast reconstruction is the surgical process of rebuilding the shape and look of a breast, most commonly in women who have had surgery to treat breast cancer. It involves using autologous tissue, prosthetic implants, or a combination of both with the goal of reconstructing a natural-looking breast.
Each year in the United States, about 240,000 women and 2,100 men are diagnosed with breast cancer. Although the incidence rate of breast cancer is 4% lower among Black women than White women ...
MSOT may miss fewer malignancies in dense breast tissue than these conventional modalities because optoacoustic contrast is unaffected by breast density. MSOT studies of breast cancer typically focus on detecting the increased vascular density and correspondingly high hemoglobin concentration thought to occur in and around tumors.
The main breast constituents are oxy and deoxy-hemoglobin, water, lipids and collagen. [1] In particular, collagen has been recognized as an independent risk factor for developing breast cancer. [19] Blood strongly absorbs in the red spectral range, whereas collagen, water and lipids have their absorption peaks at wavelengths longer than 900 nm.
Breast MRI is a technology typically reserved for high-risk patients and patients recently diagnosed with breast cancer. [3] Lastly, scintimammography is used in a subgroup of patients who have abnormal mammograms or whose screening is not reliable on the basis of using traditional mammography or ultrasound.
Lasers are used to treat cancer in several different ways. Their high-intensity light can be used to shrink or destroy tumors or precancerous growths. Lasers are most commonly used to treat superficial cancers (cancers on the surface of the body or the lining of internal organs) such as basal-cell skin cancer and the very early stages of some cancers, such as cervical, penile, vaginal, vulvar ...