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Procedura endoscopica transorale guidata dall'approccio molare laterale per la resezione benigna ...
Procedura endoscopica transorale guidata dall'approccio molare laterale per la resezione benigna ...
JoVE Journal
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JoVE Journal Medicine
Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection

Procedura endoscopica transorale guidata dall'approccio molare laterale per la resezione benigna del tumore della fossa infratemporale

Full Text
582 Views
04:04 min
August 15, 2025

DOI: 10.3791/68672-v

Shuai Chen1,2, Bowen Yang1,2, Xiaobo Dai1,2, Guanru Wang1,2, Xingzhi Zeng1,2, Yonglin Song1, Guiquan Zhu1,2, Chunjie Li1,2, Bing Yan1,2

1State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology,Sichuan University, 2Department of Head and Neck Oncology, West China Hospital of Stomatology,Sichuan University

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Overview

This article presents a transoral endoscopic approach for resecting benign infratemporal fossa tumors using low-temperature plasma ablation. The technique emphasizes anatomical preservation and minimizes external scarring, demonstrating feasibility for tumors ≤4 cm in diameter.

Key Study Components

Area of Science

  • Neurosurgery
  • Minimally invasive techniques
  • Endoscopic surgery

Background

  • Infratemporal fossa tumors can pose surgical challenges due to their proximity to critical neurovascular structures.
  • Traditional approaches may result in significant external scarring and functional impairment.
  • Minimally invasive techniques are increasingly favored for their benefits in recovery and cosmetic outcomes.
  • Real-time navigation aids in precise tumor boundary mapping.

Purpose of Study

  • To develop a minimally invasive technique for resecting infratemporal fossa tumors.
  • To enhance surgical safety and accuracy through advanced technologies.
  • To achieve scarless resection while preserving surrounding nerves and vessels.

Methods Used

  • Transoral endoscopic approach with plasma ablation for dissection.
  • Intraoperative nerve monitoring to ensure safety.
  • Real-time surgical navigation for accurate dissection.
  • Careful planning of surgical access to avoid critical structures.

Main Results

  • The technique allows for precise dissection and hemorrhage control.
  • Successful resection of tumors ≤4 cm with minimal complications.
  • Enhanced safety and completeness of resection achieved through navigation.
  • Demonstrated feasibility of the approach in clinical settings.

Conclusions

  • The transoral endoscopic approach is a viable option for benign infratemporal fossa tumors.
  • Minimally invasive techniques can significantly improve patient outcomes.
  • Further studies are warranted to refine the technique and assess long-term results.

Frequently Asked Questions

What are the advantages of the transoral approach?
The transoral approach minimizes external scarring and allows for better anatomical preservation.
How does plasma ablation enhance the procedure?
Plasma ablation provides precise dissection and effective hemorrhage control during surgery.
What role does intraoperative nerve monitoring play?
Intraoperative nerve monitoring helps to avoid damage to critical nerves during resection.
What are the key challenges in this procedure?
Challenges include navigating delicate neurovascular structures and mastering the endoscopic technique.
What is the maximum tumor size suitable for this technique?
The technique is suitable for well-demarcated lesions ≤4 cm in diameter.
Is this technique widely adopted?
While promising, further studies are needed to establish its widespread adoption in clinical practice.

Qui, presentiamo un protocollo per la resezione di tumori benigni della fossa infratemporale tramite un approccio molare laterale transorale endoscopicamente assistito con ablazione plasmatica a bassa temperatura e monitoraggio intraoperatorio del nervo mandibolare. Questa tecnica minimamente invasiva dà la priorità alla conservazione anatomica, al recupero funzionale e all'evitamento di cicatrici esterne, dimostrando la fattibilità di lesioni ben delimitate ≤4 cm di diametro.

Abbiamo sviluppato un approccio endoscopico transorale per tumori della fossa infratemporale utilizzando l'ablazione plasmatica per un controllo preciso della dissezione e delle emorragie, al fine di ottenere una resezione senza cicatrici preservando nervos e vasi. Abbiamo integrato la navigazione chirurgica in tempo reale nella nostra tecnica endoscopica transorale, permettendo così una mappatura precisa dei confini tumorali e una dissezione extracapsulare più accurata, migliorando sia la sicurezza che la completezza della resezione. Utilizziamo tecnologie avanzate, tra cui endoscopio ad alta risoluzione, ablazione al plasma a bassa temperatura per dissezione precisa e monitoraggio intraoperatorio dei nervi per massimizzare la sicurezza e la precisione chirurgica.

Le principali sfide includono la resezione dei tumori tra le delicate strutture neurovascolari e il superamento della ripida curva di apprendimento per padroneggiare questa precisa tecnica endoscopica. Inizia pianificando l'incisione di accesso chirurgico nella regione retromolare laterale destra, assicurandoti di evitare il dotto parotide e i fasci neurovascolari, e segna il sito con blu di metilene. Effettuare un'incisione longitudinale di cinque centimetri nella zona non funzionale della mucosa bucale destra, posizionata anteriore al legamento pterigomandibolare.

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