[Multilocular cysts. An entity of difficult classification. Apropos of two cases]. / Quiste multilocular. Una entidad de difícil clasificación. A propósito de dos casos.

Renal multilocular cyst continues to be, up-to-date, an entity of unknown pathoetiology. In many occasions, particularly in children, it has been mistaken with a partially differentiated cystic nephroblastoma. Due to the absolute benignancy of the multilocular cyst and the likelihood of preserving the renal parenchyma, we consider of interest to contribute a brief review of the current pathoetiological theories and clinical development, as well as our experience in this disease.

[Giant fetal ovarian cyst. Diagnosis and treatment]. / Quiste gigante de ovario fetal. Diagnóstico y tratamiento.

A case of a prenatally diagnosed fetal ovarian cyst is presented. The pregnancy was uneventful and the girl delivered by cesarean because of the size of the cyst. The cyst was removed by laparotomy on the day of the delivery and luteum ovarian cyst was the histologic diagnosis.