Diagnosis and treatment experience of atypical hepatic cystic echinococcosis type 1 at a tertiary center in China

Figure 1 Hepatic cyst diagnosis. A: Cystic echinococcosis type 1 (CE1) lesion, which was diagnosed as hepatic cyst by computed tomography; B: CE1 lesion, which was diagnosed as hepatic cyst by ultrasound.

Figure 2 Hydatid cyst with a localized bilayered wall (arrowhead) detected by a linear array transducer.

Figure 3 Hepatic cyst diagnosis and treatment. A: Cystic echinococcosis type 1 (CE1) misdiagnosed as a hepatic cyst and treated by percutaneous aspiration, the arrowhead indicating the aspiration needle; B: Post-treatment follow-up revealing recurrence of a hepatic hydatid cyst (arrowhead) with hydatid implanted in the intercostal space (arrowhead); C: Conventional ultrasound diagnosing two simple hepatic cysts; D: Follow-up examination confirming the diagnosis of CE compressing the right hepatic pedicle.

Figure 4 Endocyst of cystic echinococcosis type 1 under the laparoscope.