Hydatid cyst disease is a common worldwide zoonosis. Most of the cysts are located in the liver. Abscess formation due to infection of the hydatid cyst is an important complication. Pyogenic hydatid cyst of liver are extremely rare. We report a case of solitary, hydatid cyst in the liver with secondary infection. A 14-year-old female was admitted to our
hospital with chief complaints of abdominal pain in the right upper quadrant and loss of appetite. Physical examination revealed a mass filling the rightupper quadrant. Diagnosis was made of hydatid cyst
was on the basis of ultrasonography and computed tomography. Course of 21 days of albendazole was given preoperatively and patient was taken for surgery. During operative procedure on opening the cyst cavity, about 1 litre of pus came out along with daughter cysts, biliary communication was not found and pericystectomy was done. Patients condition improved and was discharged on 8th post-operative
day.
Keyword: Hepatic Hydatid Cyst; Pericystectomy; Abdominal pain.