Hydatid cyst of liver

Case contributed by Aditya Shetty


Pain in epigastric region; raised bilirubin levels; serum amylase and lipase were normal.

Patient Data

Age: 45 years
Gender: Male

MRI findings:

  • a large cyst (measuring 8 cm x 7 cm approx.) noted in the right lobe of liver involving segments VII and VI
  • multiple cysts of varying sizes noted within the large cyst
  • the cystic structures are seen to appear hyperintense on T2W sequences and hypointense on T1W sequences with no post contrast enhancement
  • there is evidence of compression of the adjacent intrahepatic biliary radicals

Specimen of the surgically resected hydatid cyst with multiple (>100) daughter cysts within.

Case Discussion

Case of hepatic hydatid cyst

  • based on morphology this would be classified as type IIb (see article on hydatid disease)
  • infection occurs by ingesting food contaminated with Echinococcus eggs
  • liver is the most commonly affected organ; lung is the second most common organ affected
  • in this case the cyst was surgically resected and patient recovered well post operatively with resolution of jaundice

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