There are a number of tumors of muscular origin, which overall are relatively uncommon, representing ~2% of benign soft tissue tumors and ~10% of malignant soft tissue tumors 1.
The tumors can be divided according to the type of muscle fiber:
Skeletal muscle origin
Smooth muscle origin
- 1. Imaging of Soft Tissue Tumors. F. Vanhoenacker (Editor), A.M. De Schepper (Editor), P.M. Parizel (Editor), J. Gielen (Editor). Springer ISBN:3540248099 (find it at amazon.com)
- 2. Imaging of soft tissue tumors. Mark J. Kransdorf, Mark D. Murphey. Philadelphia, Pa. ; Lippincott Williams & Wilkins, c2006. ISBN:0781747716 (find it at amazon.com)