Surgery – Truss – Pad
Patent
1996-10-21
1998-09-01
Manuel, George
Surgery
Truss
Pad
128665, 2503411, 2503581, A61B 600
Patent
active
057996563
ABSTRACT:
A method for detecting the presence of one or more calcifications within a portion of a turbid medium, such as a breast tissue. According to one aspect, the method involves illuminating at least a portion of the turbid medium with light, whereby light emerges from the turbid medium consisting of a ballistic component, a snake-like component and a diffuse component, temporally and/or spatially gating the emergent light to preferentially pass the ballistic and/or snake-like components, using the temporally and/or spatially gated light to form an image of the illuminated portion of the turbid medium, and examining the image for the presence of one or more calcifications. Wavelength difference images may also be used to highlight tumors and calcification regions. The foregoing method may be used to form optical images of breast tissues, with the presence in such images of calcifications suggestive of cancer being used to identify the corresponding breast tissues as good candidates for biopsy and screening for tumors.
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Sickles, "Breast Calcifications: Mammographic Evaluation," Radiology, 160:289-93 (1986).
Wang et al., "Ballistic 2-D Imaging Through Scattering Walls Using an Ultrafast Optical Kerr Gate," Science, 253:769-71 (1991).
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Alfano Robert R.
Galland Pierre A.
Ho Ping-Pei
Liang Xiangchun
Wang Leming
Mantis Mercader Eleni
Manuel George
The Research Foundation of City College of New York
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