Annals of Surgical Oncology

, Volume 14, Issue 12, pp 3401–3402 | Cite as

Minimally Invasive Radio-guided Surgery for Primary Hyperparathyroidism

  • Brian R. Untch
  • Michael E. Barfield
  • Joe Bason
  • John A. OlsonJr.
Endocrine Tumors



Minimally invasive parathyroidectomy can reduce operative morbidity and operative time.1,2 Radio-guided parathyroidectomy utilizing Tc-99m Sestamibi is one approach to minimally invasive parathyroidectomy.3,4 Here, we report a multimedia case study of minimally invasive radio-guided parathyroidectomy.


A 60-year-old African American female was found to have total calcium of 11.1 mg/dl, intact parathyroid hormone (iPTH) of 175 pg/ml, and a 24-h urine calcium of 620 mg/24 h. A Tc-99 Sestamibi scan (23.5 mCi of Tc-99 Sestamibi injected i.v.) and ultrasound localized a candidate adenoma to the right upper position. The patient was injected with 5.3 mCi Tc-99m Sestamibi 3 h before incision.


A gamma probe (C-Trak Automatic System, Care Wise Medical Products) recorded in vivo counts of the right upper parathyroid (3,465) that were 160% of the background. Background counts were recorded from the resected tumor bed (2,224). A 1.4-g adenoma was identified in this location; ex vivo counts (3,226) were 150% of the background.5 Intra-operative iPTH baseline values were 176 pg/ml and 148 pg/ml, and 5- and 10-min post-resection levels were 17 pg/ml (90% drop) and 18 pg/ml (90% drop), respectively. The patient’s recovery was uncomplicated. At 1 week postoperatively, total calcium was 8.9 mg/dl and iPTH was 16 pg/ml. At 1 year, the calcium and iPTH levels were 8.7 mg/dl and 53 pg/ml, respectively.


Radio-guided minimally invasive parathyroidectomy using Tc-99 Sestamibi localization is an effective approach to hyperparathyroidism. For patients without localization, exposure of all four parathyroid glands is preferable.6,7 Surgeons should be familiar with both techniques.


Adenoma Hyperparathyroidism Parathyroid Gland Primary Hyperparathyroidism Parathyroid Adenoma 
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Supplementary material

Supplementary material


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Copyright information

© Society of Surgical Oncology 2007

Authors and Affiliations

  • Brian R. Untch
    • 1
  • Michael E. Barfield
    • 1
  • Joe Bason
    • 1
  • John A. OlsonJr.
    • 1
  1. 1.Department of SurgeryDuke University Medical CenterDurhamUSA

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