Recently, a patient with an unusual pancreatic tumor of smooth muscle
origin, presented at the First Surgical Clinic, Charles University Hos
pital, Prague. Leiomyosarcoma, a malignant smooth muscle tumor, may ar
ise almost anywhere in the body. Pancreatic localization is very unusu
al. A number of authors have surveyed the literature on pancreatic tum
ors of mesenchymal origin. As many as fifty cases have been reported i
n autopsy studies since 1882. Only six operated cases of pancreatic sa
rcomas were found in surgical series.