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Related Experiment Video

Updated: Feb 10, 2026

Sentinel Lymph Node Mapping and Biopsy for Endometrial Cancer at Early Stage with Laparoscopy
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Sentinel lymph node biopsy in thyroid tumors: a pilot study.

Sandro J Stoeckli1, Madeleine Pfaltz, Hans Steinert

  • 1Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Frauenklinikstrasse 24, 8091 Zurich, Switzerland. stoeckli@orl.usz.ch

European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
|August 26, 2003
PubMed
Summary
This summary is machine-generated.

Sentinel lymph node (SLN) biopsy is feasible for thyroid neoplasms, with a 100% detection rate using a gammaprobe. While SLN biopsy can identify metastases, its clinical relevance in papillary thyroid cancer requires further definition.

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Area of Science:

  • Oncology
  • Surgical Pathology
  • Nuclear Medicine

Background:

  • Thyroid neoplasms require accurate staging for effective treatment.
  • Sentinel lymph node (SLN) biopsy is a minimally invasive technique used in various cancers to detect metastasis.
  • Assessing the feasibility of SLN biopsy in thyroid cancer is crucial for refining surgical strategies.

Purpose of the Study:

  • To evaluate the technical feasibility and accuracy of sentinel lymph node biopsy in patients with thyroid neoplasms.
  • To determine the efficacy of lymphoscintigraphy and gammaprobe in identifying SLNs in the thyroid region.
  • To assess the potential for detecting occult metastases in SLNs.

Main Methods:

  • Ten patients with uninodular thyroid disease and no clinical evidence of lymph node metastasis underwent SLN biopsy.
  • Preoperative lymphoscintigraphy and intraoperative gammaprobe were used for lymph node mapping.
  • SLNs were selectively excised after thyroidectomy and histologically examined for metastases.

Main Results:

  • Sentinel lymph nodes (SLNs) were detected in 100% of cases using the gammaprobe, compared to 50% with lymphoscintigraphy.
  • Lymphoscintigraphy accurately identified SLNs in the lateral compartment and upper mediastinum.
  • One patient with papillary thyroid carcinoma had a metastasis detected in an SLN; one patient experienced a temporary recurrent laryngeal nerve injury.

Conclusions:

  • Sentinel lymph node biopsy is technically feasible for thyroid neoplasms.
  • The combination of lymphoscintigraphy and gammaprobe provides accurate SLN detection in central, lateral, and mediastinal compartments.
  • Further research is needed to define the clinical relevance and patient subgroups that benefit from SLN biopsy in papillary thyroid cancer, particularly concerning the risk of recurrent laryngeal nerve injury.