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Related Experiment Videos

The Zuckerkandl tubercle.

Gianpiero Gravante1, Daniela Delogu, Anna Rizzello

  • 1General Surgery Department, University of Rome Tor Vergata, 00043 Ciampino (Roma), Rome, Italy. ggravante@hotmail.com <ggravante@hotmail.com>

American Journal of Surgery
|March 21, 2007
PubMed
Summary
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The Zuckerkandl tubercle is a key landmark for recurrent laryngeal nerve identification during thyroidectomy. Its presence and size, particularly Grade III, can indicate potential pressure symptoms even in small goiters.

Area of Science:

  • Anatomy
  • Surgical Landmarks
  • Endocrinology

Background:

  • Recurrent laryngeal nerve (RLN) identification is crucial during thyroidectomy to prevent vocal cord dysfunction.
  • The Zuckerkandl tubercle (ZT) is an anatomical variation that can aid in RLN localization.
  • Understanding ZT prevalence and characteristics is important for surgical planning.

Purpose of the Study:

  • To evaluate the Zuckerkandl tubercle as a reliable landmark for recurrent laryngeal nerve identification during thyroidectomy.
  • To classify the Zuckerkandl tubercle by size and assess its prevalence.
  • To investigate the association between Zuckerkandl tubercle size and pressure symptoms.

Main Methods:

  • Retrospective analysis of thyroidectomy cases.
  • Identification and grading of the Zuckerkandl tubercle based on size (Grade I, II, III).

Related Experiment Videos

  • Correlation of ZT presence and grade with intraoperative findings and patient symptoms.

    • Main Results:

    • The Zuckerkandl tubercle is present in 63% to 80% of patients undergoing thyroidectomy.
    • It is located between thyroid lobes, pointing towards the tracheoesophageal groove.
    • Grade III tubercles (>1 cm), found in 45% of patients, were sometimes associated with pressure symptoms in small goiters.

    Conclusions:

    • The Zuckerkandl tubercle serves as a valuable anatomical landmark for recurrent laryngeal nerve preservation during thyroid surgery.
    • Prevalence and grading of the Zuckerkandl tubercle provide insights into potential surgical challenges and patient symptomatology.
    • Further research may elucidate the precise relationship between Zuckerkandl tubercle size and nerve proximity.