Answer to Case 666

 Answer to theParasite Case of the Week 666:Echinococcussp. degenerating protoscolex (immature scolex) and free hooklets. We can ' t say which species ofEchinococcusis present from the image alone, but it is most likely to beE. granulosus,as this is the most common species to infect humans, and it commonly forms a liver cyst that is amenable to aspiration. This is a beautiful example of rostellar hooklets in a protoscolex.Here are some other great examples ofEchinococcussp. protoscoleces and hooklets in aspirate fluide from previous posts:Case of the Week 537:Case of the Week 280:Case of the Week 514:
Source: Creepy Dreadful Wonderful Parasites - Category: Parasitology Source Type: blogs