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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
An amoebic liver abscess can be diagnosed by demonstrating-
assistant
The correct answer is  Exploratory puncture is one of the most practical methods for confirming the diagnosis of amboebic liver abscess. The aspirated pus may be examined for the demonstration of trophic forms (trophozoites) of E. histolytica.
Aspirations from the center of amoebic liver abscess do not show trophozoites, while aspirates from the margins show trophozoites

About other options
Option 'a'
"Cysts are never seen in extraintestinal lesions"
Option 'c & d'

In extraintestinal amoebiasis, often stool examination is negative