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Background: The transoral endoscopic thyroidectomy by vestibular approach (TOETVA) has been developed for papillary thyroid carcinoma (PTC) treatment with satisfactory results. However, there were few malignant thyroid nodules ≥2 cm in previous studies of TOETVA. Therefore, we conducted this study to evaluate the results of treatment by TOETVA for PTC with tumor size ≥2 cm. Materials and Methods: The clinical characteristics and surgical outcomes of 10 PTC patients with tumor size ≥2 cm who underwent TOETVA in our center from June 2018 to August 2021 were, respectively, reviewed. Results: All 10 included PTC patients successfully underwent TOETVA and the mean tumor size was 2.5 ± 0.5 cm. The mean number lymph nodes dissected was 9.6 ± 2.9, and 3.1 ± 3.3 positive lymph nodes were discovered. Postoperatively, transient hypoparathyroidism was recorded in 2 patients (20%), transient recurrent laryngeal nerve injury was noted in 1 patient (10%), transient superior laryngeal nerve injury was noted in 1 patient (10%), and numb chin was identified in 1 patient (10%). The postoperative complications aforementioned recovered within 6 months. During a median follow-up of 23.8 ± 13.1 months, no other complications or tumor recurrence were found. Conclusions: TOETVA is feasible for PTC patients with tumor size ≥2 cm and satisfactory short-term surgical outcomes have achieved in this study. We suggested that experienced surgeons can gradually expand the indications for TOETVA. [ABSTRACT FROM AUTHOR]

Objective: To investigate the mechanism of "curettage and aspiration" and to conclude its applied technique., Methods: 2213 complicated abdominal cases, which operation were performed with the PMOD and its "curettage and aspiration" technique from November 1997 to May 2006, were analyzed retrospectively. Meanwhile, the successful rate of operations, the duration of operation, the blood loss of operation and the postoperative complications were statistically analyzed., Results: Each operation was successfully accomplished without damage of the big blood vessels and the biliary tracts. The mean blood loss of pancreatoduodenectomy and radical gastrectomy for cancer, were respectively 105 ml and 75 ml, the mean duration was respectively 3.6 hours and 2.3 hours. As to the acute cholecystitis, the resectable rafe of gallbladder was 100%. Furthermore, no case needs blood transfusion, no massive hemorrhage and concerned damage happened when performing the operation for retroperitoneal tumor., Conclusion: With reasonable operational principles and applied techniques, PMOD (Peng's multifunctional operativedissector) and "curettage and aspiration" technique have demonstrated its specific superiorities in the complicated abdominal operations.