[Disease of the laryngeal sacs (sacci laryngis) in a pygmy chimpanzee (Pan paniscus)].

For the first time an infection of the laryngeal sac in a Pygmy chimpanzee (Pan paniscus) is described. Beside of the details of diagnosis and therapy the authors outline the anatomy of the laryngeal sacs in the chimpanzee and Pygmy chimpanzee.