Abstract
Objective To investigate the feasibility of using optical coherence tomography （OCT）in thy-roid surgery .Methods Surgical specimen including parathyroid gland , lymph nodes , adipose tissue and thyroid tissue from patients receiving thyroid surgery in Tianjin Medical University Cancer Institute and Hospital were col -lected.OCT images were collected and the results were compared with the routine examination .Results Para-thyroid glands , lymph nodes , adipose tissue , and thyroid tissue can be obtained high-resolution OCT images .Dif-ferent tissues and metastatic lymph node can be clearly distinguished .OCT imaging took about 1 minute and fro-zen examination cost about 25 minutes.Conclusions OCT is a time-saving, non-invasive and cross-sectional imaging technique .It can obtain clear structural images of the internal microstructure of bio-tissues.OCT technol-ogy used in thyroid surgery including parathyroid identification and determination of lymph node metastasis is fea -sible. Key words: Parathyroid; Optical coherence tomography; Lymph node
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