Case 189. Reference case 189A

       
  Onchocerca gutturosa infection (bovine onchocercosis) in the wrist of a 57 y-o female in Oita.  
       

 

  Within eosinophilic granulomatous reaction, a helminth with a ridge-forming thick cuticle is observed. Zoonotic onchocercosis is a very rare occasion.