A young man was admitted to hospital with dyspnea, malaise, chest pain and
night sweating. Investigative studies revealed a cystic mass lesion origina
ting from the heart. Surgical exploration of the tumor showed that it was u
nresectable and pathology of the biopsy material was primitive neuroectoder
mal tumor. Medical literature concerning this unusual type of tumor is revi
ewed. (C) 2000 Elsevier Science B.V. All rights reserved.