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Keep this study
Lead
Hologic, Inc.
With
University of Southern California
Data relevant to the evaluation of the efficacy and safety of the MammoSite RTS system in providing radiation therapy to patients with DCIS will be collected. The MammoSite is a radionuclide applicator designed to deliver internal radiation therapy (brachytherapy) in patients with breast tumors following breast tumor resection surgery (lumpectomy).
Age
45–any
Sex
FEMALE
Healthy volunteers
Not accepted
You may be eligible if
Pre-Surgery:
* Unicentric pure DCIS
* Lesions should have a greatest dimension of 3 cm or less as determined by pre-surgery mammography and MRI
Post-Surgery:
* Negative histological margins confirmed prior to beginning radiation therapy.
* Margins are positive if there is tumor at the inked margin.
* Classified as low (NG1), intermediate (NG2) or high (NG3) nuclear grade DCIS, using the Philadelphia Consensus Conference Guidelines are eligible
* Clinically node negative
You may not be if
Distance from the balloon surface to the surface of the skin \< 5mm as determined by CT imaging.
Distant metastases.
Invasive or in-situ lobular carcinoma (post-surgery assessment).
Nonepithelial breast malignancies such as sarcoma or lymphoma.
DCIS that is multicentric in the ipsilateral breast.
Pregnant or lactating.
Prior non-hormonal therapy for the present breast cancer, including radiation therapy and/or chemotherapy.
Collagen vascular diseases
Coexisting medical conditions with life expectancy \< 2 years.
Serious psychiatric or addictive disorder
Previously treated contralateral breast carcinoma
Synchronous bilateral breast carcinoma.
Other malignancy, except non-melanoma skin cancer, \< 5 years prior to participation in the study; the disease free interval from any prior carcinoma must be continuous.
Patients with diffuse disease
Clareo Health | MammoSite as Sole Radiation Therapy Technique for Ductal Carcinoma In-Situ