Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Cyst stages are different phases of the “natural history” of an echinococcal cyst. The upper row depicts the progressive involution (L to R) of the cyst whose cavity is gradually filled by pseudocaseous inflammatory material. Dotted lines indicate relapses from previously transitional and inactive stages, with the growth of new daughter cysts.
