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[Splenic localization of an echinococcal cyst].

The finding of echinococcal cyst in the spleen is an extremely uncommon event occurring in Literature in 4% of the cases, setting, for frequency, after the liver and the lungs. The symptomatology is not very evident, being characterized by fever, left upper quadrant fullness or discomfort due to splenomegaly, which is demonstrable with physical examination and US. Splenectomy is the best surgical choice in the treatment of echinococcal cyst while conservative surgery should be reserved as an alternative in very selected cases.