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Published on: June 1, 2019
Early experience with sentinel lymph node mapping for Merkel cell carcinoma.
L K Rodrigues1, S P Leong, M Kashani-Sabet
1Cutaneous Oncology Division, Department of Dermatology, University of California, San Francisco, USA.
Journal of the American Academy of Dermatology
|July 21, 2001
Summary
Sentinel lymph node dissection accurately stages Merkel cell carcinoma (MCC). This technique is feasible and minimally invasive, detecting occult nodal metastases in MCC patients.
Area of Science:
- Oncology
- Surgical Pathology
Background:
- Merkel cell carcinoma (MCC) is an aggressive skin cancer with high recurrence rates.
- Accurate staging is crucial for effective MCC treatment and management.
- Regional nodal metastases are common in MCC, necessitating precise staging methods.
Purpose of the Study:
- To evaluate the feasibility and efficacy of intraoperative lymphatic mapping and selective sentinel lymph node dissection (SSLND) in staging MCC.
- To determine the utility of SSLND in detecting clinically occult nodal metastases in MCC patients.
Main Methods:
- Intraoperative lymphatic mapping and SSLND were performed on 6 patients with biopsy-proven MCC.
- Sentinel lymph nodes were surgically removed and examined for metastatic disease.
Main Results:
- Three out of six MCC patients had positive sentinel lymph nodes, indicating metastatic disease.
- The SSLND procedure was feasible with minimal morbidity in this patient cohort.
Conclusions:
- Intraoperative lymphatic mapping and SSLND are feasible and safe methods for staging Merkel cell carcinoma.
- SSLND effectively detects occult nodal metastases in MCC, aiding in accurate patient staging.
