Isolated breast hydatid cyst: A case report.

A hydatid cyst is a parasitic infestation most frequently caused by the larval tapeworm known as Echinococcus granulosus . Breast hydatidosis is a very uncommon condition that may be the main site or one of its components in cases of extensive hydatidosis. We discussed a 28-year-old female patient who had been experiencing left breast pain for a year prior to her presentation.