Role of Osteoplastic Frontal Sinus Obliteration in the Era of Endoscopic Sinus Surgery

Table 2

The majority of salvage osteoplastic frontal sinus obliteration (OFSO) patients failed prior endoscopic frontal sinus surgery.

Diagnosis	Salvage; OFSO	Hx of prior OFSO	Hx of prior ESS	Hx of prior lynch
Chronic frontal sinusitis	16	3/16 (19%)	11/16 (69%)	2/16 (12%)
Frontal sinus mucocele	3	2/3 (67%)	1/3 (33%)	0/3 (0%)
Combined inflamm frontal sinus disease	19	5/19 (26%)	12/19 (63%)	2/19 (11%)

Hx: History; ESS: endoscopic sinus surgery; inflamm: inflammatory.