Objective Traditionally tumors of the parapharyngeal space(PPS)are resected through transcervical approaches.More recent approaches include endoscopic approaches or transoral robotic surgery(TORS)without directions on...Objective Traditionally tumors of the parapharyngeal space(PPS)are resected through transcervical approaches.More recent approaches include endoscopic approaches or transoral robotic surgery(TORS)without directions on when to use which approach.Our objective was to find objective parameters to choose the most suitable approach.Methods It is a retrospective study containing 6 patients from May 2019 to May 2021 with tumors of the PPS treated in the Department of Otolaryngology and Head-Neck Surgery at the Hospital of Lucerne,Switzerland.Results The data was analysed in average 53 months after surgery.Tumor resection was completed with TORS in 3 patients and endoscopically in 3 patients.Mean operation time was 114 min.No major complications occurred.No evidence of tumor was found in magnetic resonance imaging studies postoperatively in all patients.Conclusion We conclude that a resection via TORS or endoscopic technique is safe and effective.Furthermore,we postulate that the further a tumor is located in the upper lateral area of the PPS,an approach via TORS is less possible.展开更多
Background:Several approaches have been described for the excision of parapharyngeal space tumors(PPSTs).Advances in endoscopy gave a further stimulus to the use of the transoral route.Aims:We present our experience w...Background:Several approaches have been described for the excision of parapharyngeal space tumors(PPSTs).Advances in endoscopy gave a further stimulus to the use of the transoral route.Aims:We present our experience with the endoscopy-assisted transoral approach(EATA)in this regard and a review of the most recent literature about EATA for PPSTs excision.Materials and Methods:We retrospectively analyzed our experience and systematically reviewed the literature about the outcomes of this technique.Results:Seven PPSTs were completely excised,with three of them requiring a combined transcervical approach.Only one case of postoperative wound dehiscence was registered,and the mean length of stay was 3.9 days.Final histopathological examination confirmed the results obtained with preoperative fine-needle aspiration biopsy in all cases and no recurrences were apparent after a mean follow-up of 28.1 months.Discussion:Magnetic resonance imaging,the modified Mallampati score and the 8 Ts criteria are useful instruments for the choice of the most appropriate surgical approach.Conclusion:In light of our experience and following other published series in the literature,we believe that EATA may represent a safe and effective approach for the treatment of the majority of PPSTs.展开更多
BACKGROUND Solitary fibrous tumors(SFTs)occurring in the parapharyngeal space are rare,and their final diagnosis depends on pathological and immunohistochemical analyses.Once the tumor is diagnosed,complete resection ...BACKGROUND Solitary fibrous tumors(SFTs)occurring in the parapharyngeal space are rare,and their final diagnosis depends on pathological and immunohistochemical analyses.Once the tumor is diagnosed,complete resection and regular postoperative follow-up are required.CASE SUMMARY A 40-year-old male patient with a right parotid gland mass discovered 8 years ago was admitted to hospital.The mass showed no tenderness or local skin redness.Imaging was carried out as the patient had stable vital signs and showed that the mass was a dumbbell-shaped tumor comprising a superficial tumor approximately 5 cm long and 3 cm wide in size that compressed the right parotid gland and a deep tumor located in the right parapharyngeal space approximately 4.5 cm long and 2.5 cm wide in size.Both tumors were connected in the middle.Prior to surgery,the tumors were considered to be parapharyngeal schwannomas.During surgical dissection,the tumors were found to be smooth and tough,without obvious adhesion to the surrounding tissues.The tumors were revealed to be a SFT following postoperative pathological analysis.CONCLUSION SFTs in the parapharyngeal space are rarely reported,and complete resection of such tumor is recommended.Adjuvant chemoradiotherapy is used in patients with extensive tumor invasion to lower the recurrence rate.Postoperative longterm follow-up is required.展开更多
文摘Objective Traditionally tumors of the parapharyngeal space(PPS)are resected through transcervical approaches.More recent approaches include endoscopic approaches or transoral robotic surgery(TORS)without directions on when to use which approach.Our objective was to find objective parameters to choose the most suitable approach.Methods It is a retrospective study containing 6 patients from May 2019 to May 2021 with tumors of the PPS treated in the Department of Otolaryngology and Head-Neck Surgery at the Hospital of Lucerne,Switzerland.Results The data was analysed in average 53 months after surgery.Tumor resection was completed with TORS in 3 patients and endoscopically in 3 patients.Mean operation time was 114 min.No major complications occurred.No evidence of tumor was found in magnetic resonance imaging studies postoperatively in all patients.Conclusion We conclude that a resection via TORS or endoscopic technique is safe and effective.Furthermore,we postulate that the further a tumor is located in the upper lateral area of the PPS,an approach via TORS is less possible.
文摘Background:Several approaches have been described for the excision of parapharyngeal space tumors(PPSTs).Advances in endoscopy gave a further stimulus to the use of the transoral route.Aims:We present our experience with the endoscopy-assisted transoral approach(EATA)in this regard and a review of the most recent literature about EATA for PPSTs excision.Materials and Methods:We retrospectively analyzed our experience and systematically reviewed the literature about the outcomes of this technique.Results:Seven PPSTs were completely excised,with three of them requiring a combined transcervical approach.Only one case of postoperative wound dehiscence was registered,and the mean length of stay was 3.9 days.Final histopathological examination confirmed the results obtained with preoperative fine-needle aspiration biopsy in all cases and no recurrences were apparent after a mean follow-up of 28.1 months.Discussion:Magnetic resonance imaging,the modified Mallampati score and the 8 Ts criteria are useful instruments for the choice of the most appropriate surgical approach.Conclusion:In light of our experience and following other published series in the literature,we believe that EATA may represent a safe and effective approach for the treatment of the majority of PPSTs.
文摘BACKGROUND Solitary fibrous tumors(SFTs)occurring in the parapharyngeal space are rare,and their final diagnosis depends on pathological and immunohistochemical analyses.Once the tumor is diagnosed,complete resection and regular postoperative follow-up are required.CASE SUMMARY A 40-year-old male patient with a right parotid gland mass discovered 8 years ago was admitted to hospital.The mass showed no tenderness or local skin redness.Imaging was carried out as the patient had stable vital signs and showed that the mass was a dumbbell-shaped tumor comprising a superficial tumor approximately 5 cm long and 3 cm wide in size that compressed the right parotid gland and a deep tumor located in the right parapharyngeal space approximately 4.5 cm long and 2.5 cm wide in size.Both tumors were connected in the middle.Prior to surgery,the tumors were considered to be parapharyngeal schwannomas.During surgical dissection,the tumors were found to be smooth and tough,without obvious adhesion to the surrounding tissues.The tumors were revealed to be a SFT following postoperative pathological analysis.CONCLUSION SFTs in the parapharyngeal space are rarely reported,and complete resection of such tumor is recommended.Adjuvant chemoradiotherapy is used in patients with extensive tumor invasion to lower the recurrence rate.Postoperative longterm follow-up is required.
