RT Journal Article SR Electronic T1 Magnetic Resonance Imaging of a Liver Hydatid Cyst Invading the Portal Vein and Causing Portal Cavernomatosis JF Ochsner Journal JO Ochsner J FD O. P. Jindal Global University SP 479 OP 480 VO 15 IS 4 A1 Duygu Herek A1 Ugur Sungurtekin YR 2015 UL http://www.ochsnerjournal.org/content/15/4/479.abstract AB Background Hepatic hydatid cysts rarely invade portal veins causing portal cavernomatosis as a secondary complication.Case Report We report the case of a patient with direct invasion of the right portal vein by hydatid cysts causing portal cavernomatosis diagnosed via magnetic resonance imaging (MRI).Conclusion The presented case highlights the useful application of MRI with T2-weighted images and gadolinium-enhanced T1-weighted images in the diagnosis of hepatic hydatid lesions presenting with a rare complication of portal cavernomatosis.