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Radioguidance for nonpalpable primary lesions and sentinel lymph node(s)
R J Gray1, R Giuliano, E L Dauway
1Department of Surgery, H. Lee Moffitt Cancer Center at the University of South Florida, 12902 Magnolia Dr., Tampa, FL 33612, USA.
American Journal of Surgery
|November 27, 2001
Summary
Dual isotope radioguided surgery effectively guides breast cancer patients to nonpalpable tumors and sentinel lymph nodes. This method improves surgical logistics for detecting early-stage breast cancer.
Area of Science:
- Oncology
- Surgical Oncology
- Nuclear Medicine
Background:
- Radioguided surgery offers guidance for nonpalpable tumors and sentinel lymph nodes.
- Dual isotope techniques enhance localization accuracy in oncologic procedures.
Purpose of the Study:
- To evaluate the efficacy of dual isotope radioguided surgery for simultaneous localization of nonpalpable primary breast tumors and sentinel lymph nodes.
- To assess the logistical benefits of this combined approach in breast cancer management.
Main Methods:
- Retrospective review of a prospective database involving 43 patients with nonpalpable breast carcinoma.
- Utilized a gamma probe for guidance using iodine-125 labeled titanium seed at the primary lesion and technetium-99 labeled sulfur colloid at the sentinel lymph node.
Main Results:
- Successful retrieval of the radioactive seed and primary lesion in 100% of patients during the first excision.
- Sentinel lymph node mapping achieved in 98% of patients, with a mean of 2.4 nodes excised.
- Pathologically involved margins were found in 25% of patients, and metastatic carcinoma was present in 10%.
Conclusions:
- Dual isotopes are effective for simultaneous radioguidance to nonpalpable primary breast lesions and sentinel lymph nodes.
- This technique improves surgical logistics and facilitates accurate staging in breast cancer patients.
- Dual isotope radioguided surgery represents a valuable tool in the management of nonpalpable breast cancer.
