Parathyroid Identification During Thyroid and Parathyroid Operations
The aim of this study was to develop a low-cost prototype near-infrared fluorescence device that enables contrast-free, real time, high-resolution intraoperative visualization of normal and pathological parathyroid glands (PGs) by imaging their autofluorescence (AF).
Summary
Parathyroid identification during thyroid and parathyroid operations
A pilot study evaluating a novel low cost autofluorescence based device
[Posted 9/Jun/2021]
AUDIENCE: All Healthcare Professionals
KEY FINDINGS: The inexpensive NIR-PAF device that we developed can successfully intraoperatively identify both normal and pathological PGs.
BACKGROUND: The aim of this study was to develop a low-cost prototype near-infrared fluorescence device that enables contrast-free, real time, high-resolution intraoperative visualization of normal and pathological parathyroid glands (PGs) by imaging their autofluorescence (AF).
DETAILS: A novel near-infrared parathyroid AF (NIR-PAF) imaging device with visible laser PG targeting was developed. The device was evaluated during parathyroid and thyroid operations in a pilot clinical study. Overall, of the 6 parathyroidectomies carried out in the study population a parathyroid adenoma was found to exhibit AF ex vivo in 6/6 (100%) of cases, and in vivo in 3/3 (100%) of these cases. Two of 4 thyroidectomies were evaluated in vivo and all PGs (6 PGs total) were identified by the NIR-PAF device. The NIRPAF device cost less than $1200 Canadian to build.
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Source: Wiseman, S. M., Saleh, N., Tootooni, A. et al. (2021). Parathyroid identification during thyroid and parathyroid operations: A pilot study evaluating a novel low cost autofluorescence based device. Am J Surg. 2021; 221(6): 1150-1158. Published: June 1, 2021. DOI: 10.1016/j.amjsurg.2021.03.005.
