A case of primary lymphoma of the gallbladder is described which is ra
re in the medical literature. A 76 year old man presented with acute c
holecystitis and septicaemia. Investigation showed a lung abscess and
a gallbladder mass. The mass was thought to be an empyema and cholecys
tostomy was performed. Biopsy of the gallbladder wall showed high-grad
e B cell lymphoma. The patient unfortunately succumbed to overwhelming
septicaemia in the postoperative period. Postmortem examination confi
rmed primary lymphoma of the gallbladder without dissemination.