Table 7. Overall reversible anaphylactic reactions due to percutaneous treatment of hydatid cysts.

Reversible anaphylactic complications	No. of cases	% of treated hydatid cysts (n = 5517)	% of percutaneous treatment procedures (n = 5943)
Reversible severe anaphylactic reaction	4	0.07	0.07
Reversible moderate anaphylactic reaction	7	0.13	0.12
Reversible mild/minor anaphylactic reaction	7	0.13	0.12
Reversible anaphylactic reaction not specified	15	0.27	0.25
Allergic skin reaction (urticaria, rash, pruritus)	66	1.20	1.11
“Fever & urticaria”	x *	-	-
Total	99	1.80	1.67

*“no complications were observed except…fever and urticaria”, no figures given (Zerem et al., 2005 [10 cases of percutaneous treated spleen hydatid cysts]).