Chinese Journal of Clinical Anatomy >
Anatomical study of transoral thyroidectomy
Received date: 2013-06-20
Online published: 2014-04-21
Objective Endoscopic Minimally Invasive Trans-oral Thyroidectomy (eMIT) and Trans-oral Partial Parathyroidectomy(TOPP）are the two main techniques of trans-oral thyroidectomy. An anatomical study of eMIT and TOPP was made to evaluate the safety and feasibility of trans-oral thyroidectomy. Methods In this study, 5 fresh human cadavers were dissected for better understanding of the anatomic structures of the anterior cervical region, mandible region and suprahyoid bone muscles. eMIT and TOPP were subsequently performed on 2 human cadavers. Results The anterior region of neck could be easily reached through midline of the suprahyoid bone muscles by eMIT, but the upper pole of the thyroid lobe was difficult to dissected. Distinctively, TOPP set up the space at the dorsal side of the thyroid gland and adjacent to the trachea. The upper pole of the thyroid lobes, the recurrent nerve and parathyroid gland could be easily identified. The operation space was more limited in TOPP and longer surgical duration was needed for TOPP (3h) than eMIT (1h). Special equipments and surgeons with experience were required for this technique. No injury to related muscles as well as vascular and neural structures were found by subsequent anatomical dissection. Conclusions By anatomical study, we believe that eMIT and TOPP are save and feasible. For now, eMIT is more suitable for clinical applications.
Key words： Trans-oral thyroidectomy; eMIT; TOPP; Applied anatomy
HUANG Yi-Xiang , CA Cheng-Zhong , ZHANG Ti , CHAI Li , WANG Gang , CHANG Chao , DAN Lin-Xiang , FANG Lin . Anatomical study of transoral thyroidectomy[J]. Chinese Journal of Clinical Anatomy, 2014 , 32(2) : 153 -157 . DOI: 10.13418/j.issn.1001-165x.201
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