Methods and chemical preparations for time-limited marking of biopsy sites
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United States of America Patent
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May 20, 2003
Issued Date -
N/A
app pub date -
Feb 27, 2002
filing date -
Feb 2, 1999
priority date (Note) -
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Abstract
Detectable markers that may be introduced into a cavity created by removal of a biopsy specimen to mark the location of the biopsy site so that it may be located in a subsequent medical/surgical procedure. The markers remain present in sufficient quantity to permit detection and location of the biopsy site at a first time point (e.g., 2 weeks) after introduction but clear from the biopsy site or otherwise not interfere with imaging of tissues adjacent the biopsy site at a second time point (e.g., 5-7 months) after introduction.
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