Enhanced parathyroid identification and preservation in total thyroidectomy using combined near-infrared autofluorescence and carbon nanoparticles - Scorecard - MDSpire

Enhanced parathyroid identification and preservation in total thyroidectomy using combined near-infrared autofluorescence and carbon nanoparticles

  • By

  • Fan Yu

  • Zihan Lin

  • Bo Wu

  • Quanyong Luo

  • Jie Kang

  • June 23, 2026

  • 0 min

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Clinical Scorecard: Improved Identification and Preservation of Parathyroid Glands During Total Thyroidectomy Through the Use of Near-Infrared Autofluorescence and Carbon Nanoparticles

At a Glance

CategoryDetail
ConditionPostoperative hypoparathyroidism
Key MechanismsNear-infrared autofluorescence (NIRAF) imaging and carbon nanoparticle suspension (CN) for parathyroid gland identification
Target PopulationIndividuals diagnosed with papillary thyroid carcinoma (PTC) undergoing total thyroidectomy
Care SettingSurgical intervention in a hospital setting

Key Highlights

  • NIRAF + CN cohort detected more parathyroid glands than CN cohort (91.9% vs. 84.4%)
  • Reduced rate of inadvertently removed parathyroid glands in NIRAF + CN cohort (5.0% vs. 15.0%)
  • Significantly elevated serum PTH levels on postoperative day 1 in NIRAF + CN cohort
  • Transient hypoparathyroidism occurred in 25.0% of NIRAF + CN cohort vs. 37.5% in CN cohort
  • Permanent hypoparathyroidism rates were lower in NIRAF + CN cohort (2.5% vs. 7.5%)

Guideline-Based Recommendations

Diagnosis

  • Utilize NIRAF and CN for intraoperative identification of parathyroid glands

Management

  • Implement combined NIRAF and CN techniques during total thyroidectomy

Monitoring & Follow-up

  • Evaluate serum calcium and parathyroid hormone levels preoperatively and postoperatively

Risks

  • Monitor for transient and permanent hypoparathyroidism post-surgery

Patient & Prescribing Data

Adults over 18 years with histologically verified papillary thyroid carcinoma

Intraoperative application of CN with or without NIRAF imaging enhances parathyroid gland preservation

Clinical Best Practices

  • Conduct total thyroidectomy with central neck dissection under experienced surgical teams
  • Employ intraoperative nerve monitoring to protect recurrent laryngeal nerves
  • Use NIRAF imaging to improve identification of parathyroid glands

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