Microbiology Parasitology Pa 1 (Protozoology) 6f6d6ec5 Flask shaped ulcers seen in a dysentry patient is diagnostic of: A Shigellosis B Amoebiasis C Giardiasis D Typhoid High-Yield Explanation Flask shaped ulcers seen in intestinal Amoebiasis. The most Diagnostic test of amoebiasis is ELISA.