28 July 2021
: Case report 
Total Splenectomy for a Giant Isolated Splenic Hydatid Cyst Compressing the Abdominal Viscera: A Case Report
Unusual or unexpected effect of treatment, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)
Dimitrios Chatzifotiou1ABDEF*, Christian Wolf1BEF, Arturs Baibakovs1BEF, Harald Werthebach2CD, Bogdan Lupascu1BEF, Martin Schnell1BEFDOI: 10.12659/AJCR.931195
Am J Case Rep 2021; 22:e931195
Table 1. Summary of the WHO classification of hydatid cysts adapted from the 2010 WHO Informal Working Group on Echinococcosis.
| Cyst type | Stage | Imaging features |
|---|---|---|
| CE1 | Active | Unilocular simple cyst |
| CE2 | Active | Multivescicular, multiseptate cyst. Daughter cysts partly or totally fill mother cyst. “Wheel” or “honeycomb” appearance |
| CE3a | Transitional | Datached laminated membrane floats in cyst (water lily sign). Anechoic content |
| CE3b | Transitional | Complex mass. Mother cyst contains both anechic daughter cysts and echoic areas of disrupted membranes or degenerating daughter cysts |
| CE4 | Inactive | Heterogenous hypoechoic cyst without daughter cysts. Degenerating membranes may appear like “ball of wool” |
| CE5 | Inactive | Thick calcified wall |