Fig. 1From: Genotype 1 hepatitis E virus infection with acute acalculous cholecystitis as an extrahepatic symptom: a case reportUltrasonography of the gallbladder. Abdominal ultrasonography revealed a gallbladder without calculi, a thickened gallbladder wall (arrows), and perivesical fluid accumulation. These findings resolved by day 14 after admissionBack to article page