[Neoplastic ulceration of the stomach penetrating to the spleen as a cause of sudden fatal gastrointestinal hemorrhage--case report]. / Nowotworowe owrzodzenie zoladka drazace do sledziony przyczyna naglego smiertelnego krwotoku do przewodu pokarmowego--opis przypadku.

History of 71-year-old woman with sudden upper digestive tract hemorrhage is presented. Endoscopic attempt to control the hemorrhage was unsuccessful-patient died during endoscopy. On autopsy it was found that hemorrhage was caused by neoplastic ulceration of the stomach penetrating to the spleen.

[Leukemic changes in the myocardium of a patient with acquired valvular heart disease]. / Zmiany bialaczkowe w miokardium chorej z nabyta wada serca.

A rare case is described of extensive myocardial infiltrations during myeloid leukaemia in a patient with coexistent valvular heart disease, and active inflammatory process in the endocardium. The coexistence of these diseases caused even greater diagnostic difficulties. This case shows also that differential white blood cell sound should not be disregarded in cardiovascular diseases.