Endoscopic Approaches to Frontal Sinus Disease

Endoscopic management of frontal sinus disease has evolved into a suite of minimally invasive techniques that harness high‐definition optics, refined instrumentation and detailed anatomical knowledge to address a spectrum of pathologies from chronic rhinosinusitis and mucoceles to benign and malignant tumours. The core principle lies in restoring or enhancing natural drainage pathways while preserving mucosal integrity and minimising collateral trauma. Key procedures span the spectrum of Draf approaches—ranging from the simple frontal recess enlargement of Draf I to the bilateral drill‐out of Draf III (modified endoscopic Lothrop)—each selected according to disease extent, frontal recess anatomy and individual patient factors. Contemporary refinements include the use of mucosal flaps and free grafts to maintain neo‐ostium patency, preoperative radiological classification of frontal recess cells to tailor the surgical corridor and intraoperative image guidance to navigate complex recess variations. Computational fluid dynamics models have further deepened understanding of postoperative airflow and irrigation patterns, informing choice of procedure and postoperative care. Collectively, these advances underscore a shift towards precision endoscopic surgery that delivers durable symptom relief, reduces relapse rates and enhances quality of life for patients worldwide.

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Endoscopic Approaches to Frontal Sinus Disease publication trend

The graph below shows the total number of articles in endoscopic approaches to frontal sinus disease across all publications each year (not limited to Nature Index journals).

Technical terms

Endoscopic sinus surgery: A minimally invasive approach using nasal endoscopes and slender instruments to visualise and operate within the paranasal sinuses.

Frontal recess: The complex air-cell region immediately anterior to the frontal sinus ostium, whose variable anatomy often dictates surgical difficulty.

Draf procedures: A classification of frontal sinusotomy techniques: Type I (frontal recess opening), Type II (extended recess opening), Type III (bilateral drill-out/drilled Lothrop procedure).

Neo-ostium: The surgically created or enlarged opening into the frontal sinus intended to maintain drainage.

Mucosal flap: A pedicled strip of sinonasal mucosa mobilised to cover exposed bone and support wound healing, reducing restenosis risk.

Computational fluid dynamics (CFD): A digital modelling technique that simulates airflow and fluid movement within the reconstructed sinus cavities to predict postoperative behaviour.

References

1. Does Frontal Recess Cell Variation Associate with the Development of Frontal Sinusitis? A Narrative Review. Diagnostics (2024).
2. Enhancing Frontal Sinus Surgery: Assessing the Long-Term Impact of Free Grafts and Flaps in Draf III Procedures. Journal of Personalized Medicine (2024).
3. CT analysis of frontal recess air cell and fluid dynamics simulation of frontal sinus in people with different frontal sinus development after Draf1–3 surgery. European Archives of Oto-Rhino-Laryngology (2024).