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Discover 23,284 clinical trials near Maryland. Find research studies in your area.
Showing 16901-16920 of 23,284 trials
NCT00924313
Background: * Prostate cancers are difficult to see on most imaging studies such as X-rays, computed tomography (CT) scans, conventional magnetic resonance imaging (MRI) scans and conventional positron emission tomography (PET) scans. * An experimental radioactive tracer called 11C-acetate accumulates in prostate tumor cells and may help find prostate cancers more accurately than other imaging methods. Objectives: * To determine the accuracy of prostate tumor imaging using the tracer 11C-acetate. Eligibility: * Patients 18 years of age and older who are undergoing surgery for localized prostate cancer at the National Institutes of Health (NIH) Clinical Center. Design: * Patients have a positron emission tomography (PET scan). For this test, an intravenous (IV) line is placed in the patient's arm and the patient lies on a table inside the donut shaped scanner. (11)C-acetate is injected into the vein through the catheter and images of the lower pelvis and abdomen are obtained over 30 minutes. * Patients have an endorectal coil MRI scan. For this test, a tube is placed in the rectum, just behind the prostate, to increase the amount of signal received by the magnetic resonance (MR) unit. Other coils may be wrapped around the pelvis to further improve the quality of the scan. The patient lies on the scanning table for about 75 to 90 minutes while images are obtained. During the scan, a contrast agent called gadolinium is injected through an intravenous (IV) line to brighten the images.
NCT01723423
The MROC Study seeks to evaluate and compare from the patient's point of view the leading options for breast reconstruction after mastectomy. This study will help patients, physicians, payers and policy makers better understand the various surgeries available for breast reconstruction. Although many women choose reconstruction, the number of options as well as their pros and cons can make decision making difficult and stressful. From this research, we hope to learn more about what works best for patients undergoing these operations.