TABLE 1.

Surgical case details and aerosol generating instrument use

Case	Diagnosis	Surgery	Microdebrider	Bone drilling	Cautery	Findings	Droplets on surgeon
1	Osteomyelitis and sinusitis	ESS	No	No	Yes	One droplet on anesthesia wall	Microdroplets on abdomen
2	Adenoid cystic carcinoma	Transpterygoid nasopharyngectomy	Yes	Yes	Yes	Gross dye on smoke evacuator	None
3	NK T‐cell lymphoma	ESS and transoral resection	No	No	No	Large droplets on nurse's abdomen	Microdroplets on abdomen
4	Pituitary adenoma	ESS, transphenoidal pituitary resection	Yes	Yes	Yes	Droplets on smoke evacuator	None, for both co‐surgeons

Abbreviations: ESS, endoscopic sinus surgery; NK, natural killer.