Early Identification of Traumatic Durotomy Associated with Atlantooccipital Dislocation May Prevent Retropharyngeal Pseudomeningocele Development

Table 1

Cases of retropharyngeal pseudomeningocele following AOD.

Author	Year	Age	AOD management	Symptom	Diagnosis of RP	Hydrocephalus	Treatment of RP	Outcome
Williams et al. [3]	1995	3.5	Arthrodesis	Respiratory and dysphagia	4 weeks	Yes	VP shunt	Resolution of RP
Naso et al. [5]	1997	26	Halo	Respiratory and dysphagia	3.5 months	Yes	VP shunt	Resolution of RP
	1997	11	Unknown	Respiratory	5 weeks	Yes	None	Died
Reed et al. [6]	2005	9	Arthrodesis	Incidental	4 weeks	Yes	None	Died
Cognetti et al. [2]	2006	19	Arthrodesis	Dysphagia	6 weeks	No	LP shunt	Resolution of RP
Gutiérrez-González et al. [4]	2008	29	Hard collar	Respiratory	3 weeks	No	None	Died
Qiu et al.; (current report)	2013	60	Arthrodesis	Respiratory, weakness	No RP	No	None	No RP

AOD: atlantooccipital dislocation, VP: ventriculoperitoneal, LP: lumboperitoneal, and RP: retropharyngeal pseudomeningocele.