Case 190. Reference case 190A

       
  Cross section of G. hispidum at the level of esophagus. Four tubules (ballonets) surround the esophagus. Eosinophilic reaction is pronounced (HE).  
       

 

  The species of Gnathostoma can be distinguished by the number of nucleus in the gut epithelium: G. hispidum and G. nipponicum 1, G. doloresi 2 and G. spinigerum 3-7.