<prompt> Flask shaped ulcers seen in a dysentry patient is diagnostic ofTyphoidAmoebiasisGiardiasisShigellosis  <response>: Clinical features of amoebiasis are: - Intestinal amoebiasis - characteristic flask shaped ulcers Amoebic liver abscess - Anchovy sauce pus Lung abscess Brain abscess Ref:- T.B of Medical Parasitology S.C.Parija 4th edition; Pg num:- 33 