Eosinophilic cholecystitis is an infrequent form of cholecystitis. The etiology of eosinophilic cholecystitis is still obscure, and it is sometimes accompanied with several complications, but a simultaneous onset with pericarditis is very rare. We would like to make an alternative interpretation of our recent report "Kaji K, Yoshiji H, Yoshikawa M, Yamazaki M, Ikenaka Y, Noguchi R, Sawai M, Ishikawa M, Mashitani T, Kitade M, Kawaratani H, Uemura M, Yamao J, Fujimoto M, Mitoro A, Toyohara M, Yoshida M, Fukui H. Eosinophilic cholecystitis along with pericarditis caused by Ascaris lumbricoides: A case report. World J Gastroenterol 2007; 13: 3760-3762."