Case 56. Echinococcosis, multilocular (36 y-o F)

　 　 　 　
　
Surgical specimen of multicystic liver lesions in a Hokkaido resident
 　
　 　 　 　

　

 　 The lamellated cyst wall is strongly PAS-positive. Identification of PAS-reactive lamellated material can be the clue for the histopathologic diagnosis of multilocular echinococcosis.