Smooth muscle differentiation is induced in the embryonic bladder by the centrally located urothelium in the undifferentiated mesenchyme in the periphery adjacent to the serosa. We hypothesize that ...
MALIGNANT smooth-muscle tumors (leiomyosarcomas) of soft-tissue origin are rare tumors, as indicated by the fact that in a review of the recent surgical literature, only one series, comprising 36 ...