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Related Experiment Videos

Mediastinal hyperfunctioning parathyroids: incidence, evolving treatment, and outcome.

Naris Nilubol1, Todd Beyer, Richard A Prinz

  • 1Department of Surgery, Rush University Medical Center, 1725 W. Harrison Street, Ste. 818, Chicago, IL 60612, USA.

American Journal of Surgery
|June 15, 2007
PubMed
Summary
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Most hyperfunctioning mediastinal parathyroid glands (MPG) are removable via cervical surgery. Advanced imaging aids surgical planning, while thoracic approaches are needed for glands below the innominate vein.

Area of Science:

  • Endocrinology
  • Surgical Oncology
  • Thoracic Surgery

Background:

  • Hyperfunctioning mediastinal parathyroid glands (MPG) present evolving diagnostic and treatment challenges.
  • This study details the experience with MPG management at a tertiary referral center.

Purpose of the Study:

  • To report the surgical outcomes and management strategies for hyperfunctioning mediastinal parathyroid glands.
  • To evaluate the effectiveness of imaging modalities and surgical approaches for MPG.

Main Methods:

  • A prospective database of 922 parathyroidectomy patients (1982-2005) was reviewed.
  • Surgical approaches included cervical, limited sternotomy, and video-assisted thoracoscopic surgery (VATS).
  • Preoperative imaging included Sestamibi scans and computed tomography.

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Main Results:

  • 3.5% of patients (32/922) had MPG; 28% had prior failed parathyroidectomy.
  • Cervical approach was successful in 69% of cases.
  • Thoracic procedures (sternotomy/VATS) were required for glands located caudal to the innominate vein, with high success rates.
  • Imaging accuracy was 86% for both Sestamibi and CT scans.

Conclusions:

  • The majority of MPG can be resected via a cervical approach.
  • Preoperative imaging is crucial for planning the optimal surgical strategy.
  • Glands caudal to the innominate vein necessitate thoracic intervention, with radioguided VATS being a preferred option.
  • Medical management with calcimimetics is an alternative for select patients.