Ultrasonographic diagnosis and drainage in noncalculous acute cholecystitis following surgery.

Postoperative acute cholecystitis is not so rare complication especially in postgastrectomy patients. Ultrasonic examination is the most suitable means of identifying postoperative acute cholecystitis. 24 patients were diagnosed as postoperative acute chlecystitis mainly by ultrasonic examination. The majority of cases recovered only by conservative treatment. Clinically severe cases are particularly indicated for ultrasonically guided percutaneous transhepatic gallbladder drainage. Moreover, patient with postoperative acute cholecystitis are considered to require follow-up studies after recovery.