In the right orbit, an external ethmoidectomy was done, while in the left, a transnasal endoscopic approach was used to remove the inferomedial wall. 两边皆以外侧眼眶切开术行外侧眼窝减压术合并内侧及部分眼窝底减压术。
Frontal sinus mucocele invading the orbit via a traumatic fistula was verified by operative finding and histopathological study. 经手术后,始发现为一由额窦经过先前的枪伤洞孔而伸入左眼眼窝的粘液囊肿。