Crowned dens syndrome developed after an endoscopic retrograde cholangiopancreatography procedure

Table 1 Precise clinical manifestations of three crowned dens syndrome cases

No.	Age	Sex	Day	Fever	Site	Time(min)	WBC(μL)	CRP(mg/dL)	Treatment
1	82	Male	day 16	39.2 °C	Neck	65	4800	0.10	NSAIDs
2	85	Female	day 1	38.6 °C	Neck, Ankle	30	11500	4.93	NSAIDs
3	83	Male	day 3	38.0 °C	Neck	22	7800	2.12	NSAIDs

Day: Onset of crowned dens syndrome after endoscopic retrograde cholangiopancreatography (ERCP) procedure; Site: Painful site of complaint; Time: Time requiring for ERCP procedure.