Entamoeba histolytica Most common extraintestinal syndrome Fever, RUQ pain, anorexia Point tenderness RUQ area Jaundice is rare <30% will have a history of diarrhea Must be included in the Ddx of FUO

Pleural effusion Hepatobronchial fistula Rupture into peritoneal cavity Rupture into pericardium

Ultrasonography: solitary; R lobe CT scan MRI Elisa

90% good response to metronidazole Response in 72 hours Indications: To rule out pyogenic cause (multiple

lesions) Poor response after 72 hours Imminent rupture Prevent rupture into pericardium