أكتب الإجابة الصحيحة ؟ M.C.Q

Regarding an amebic liver abscess:

(a) surgical drainage is usually required.
(b) negative stool testing for amebiasis rules out the disease.
(c) it should be drained percutaneously under com- puted tomography guidance .

(d) it is treated with metronidazole .