Table 1.

Missing screws and locking plates after an anterior cervical approach in the literature (Pubmed).

Author	Symptoms	F/T	Result	Fusion level	Missing instrumentation
Fujibayashi et al., 2000 [6]	High fever, meningitis, dysphagia	15 m	Died	C4–T1	1 screw
Pompili et al., 2002 [2]	Asymptomatic	6 m	Recovered	C4–C7	1 screw
Wong et al., 2005 [5]	Airway obstruction, cervical abscess	4 y	Recovered	C3–C6	1 screw
Martínez-Lage et al., 2007 [3]	Dysphagia, fever, neck swelling	6 y	Recovered	C5–C7	1 screw
Cagli et al., 2009 [10]	Dysphagia	7 y	Recovered	C4–C7	1 screw

F/T: follow-up time, m: month, y: year.