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Sentinel node biopsy for clear cell sarcoma.

A C J van Akkooi1, C Verhoef, A N van Geel

  • 1Department of Surgical Oncology, Erasmus University Medical Center - Daniel den Hoed Cancer Center, Groene Hilledijk 301, Kamer B3-16, 3075 EA, Rotterdam, the Netherlands. a.vanakkooi@erasmusmc.nl <a.vanakkooi@erasmusmc.nl>

European Journal of Surgical Oncology : the Journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology
|May 5, 2006
PubMed
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Sentinel node (SN) biopsy accurately predicts recurrence and survival in clear cell sarcoma (CCS) patients. Positive SNs indicate higher risk, while negative SNs suggest a favorable prognosis, similar to melanoma.

Area of Science:

  • Oncology
  • Surgical Pathology

Background:

  • Clear cell sarcoma (CCS) is a rare soft tissue malignancy histogenetically linked to melanoma.
  • Accurate staging is crucial for managing CCS and predicting patient outcomes.

Purpose of the Study:

  • To evaluate the utility of the sentinel node (SN) biopsy procedure in patients diagnosed with clear cell sarcoma.
  • To assess the correlation between SN status and disease recurrence, nodal involvement, and survival in CCS.

Main Methods:

  • Retrospective analysis of five patients with subcutaneous CCS who underwent SN biopsy.
  • Examination of SNs and subsequent lymph node dissection specimens for tumor involvement.
  • Correlation of SN status with clinical outcomes, including recurrence and survival.

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Main Results:

  • Two out of five patients had positive SNs, both with additional positive nodes on lymph node dissection.
  • Patients with positive SNs experienced recurrent disease within an average follow-up of 33 months.
  • Patients with negative SNs remained disease-free with an average follow-up of 39 months and showed no recurrence.

Conclusions:

  • Sentinel node biopsy appears to be a valuable and accurate staging tool for clear cell sarcoma.
  • SN status effectively predicts additional nodal metastasis, disease recurrence, and patient survival in CCS.
  • The SN procedure shows promise as a prognostic indicator in CCS, mirroring its role in melanoma management.