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Multilayered non-invasive temperature estimation from backscattered ultrasound
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Resumo(s)
Roughly one in four breast cancer survivors report some degree of arm
oedema. Lymphoedema is a build-up of excess lymph fluids in the tissues.
Persistent lymphoedema leads to pain, diminished limb function, increased
risk of infection, soft tissue fibrosis, and severe cases can be grossly
disfiguring. From a mechanics perspective, the lymphoedemous tissue may
be thought of as a two phase composite, consisting of both fluid and solid
phases. Here we discuss the use of composites mixture theory to model the
mechanics of lymphoedemous tissues. By treating the tissue as a fluid-solid
composite, rules-of-mixtures may be used to estimate the effective moduli in
terms of the properties of the individual components and their respective
volume fractions in these two states.
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Citação
Teixeira, Cesar A.; Ruano, Maria Graça; Ruano, A. E.; Pereira, Wagner C. Multilayered non-invasive temperature estimation from backscattered ultrasound, The Journal of the Acoustical Society of America, 123, 5, 3227-3227, 2008.