Table 9. Distribution of rupture type.

	Cyst rupture type	Frequency	Percent
Contained Cyst	Air crescent or meniscus sign	33	63/1
rupture signs
	Inverse crescent sign	5	9/6
	Air bubble sign (Mass signet a cavity	14	26/9
	sign)
Total		52	100
Communicating	Waterlily or Camalote sign	26	45/6
Cyst rupture Signs
	Cumbo or double arc sign	11	19/3
	Signet ring sign	4	7
	Whirl sign	9	15/8
	Dry cyst sign	7	12/3
Total		57	100
Direct Rupture		26	13/3