“…Similar forms of cholecystitis, such as AAC, have been known to occur postoperatively, and a small number of studies document AAC following orthopedic procedures. One case report had a confirmed histological analysis of acute acalculous gangrenous cholecystitis, and the other reported acute or chronic acalculous cholecystitis with associated hemorrhage on pathological analysis [ 12 , 13 ]. Further study of postoperative acute cholecystitis would need to be done to better understand the epidemiology of XGC presenting postoperatively.…”