RUQ Pain & A Canine Connection

A 30-year-old man from a rural area with dog contact presents with RUQ Pain. Imaging reveals a large liver cyst. What is the most likely diagnosis?

Cystic echinococcosis


A 30-year-old man presented with a 15-month history of intermittent discomfort in the right upper quadrant of the abdomen. He lived in a rural area of Morocco and had occasional contact with dogs. The physical examination revealed hepatomegaly with a palpable hepatic mass. Laboratory tests showed a normal white-cell count and a normal absolute eosinophil count. Ultrasonography and computed tomography of the abdomen revealed a large cyst in the right lobe of the liver. What is the diagnosis?

What is the most likely diagnosis?

Primary hepatic carcinoma
Autoimmune hepatitis
Primary biliary cholangitis
Amebiasis
Cystic echinococcosis

Cystic echinococcosis, Echinococcus granulosus, Hydatid Disease, Liver cyst, Zoonosis

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