Muscle Diseases con't

Myasthenia gravis is a chronic neuromuscular disease characterized by muscle weakness. An NIH tutorial on myasthenia gravis can be found here.

Muscle tumors

Tumors of skeletal muscle are rare. Rhabdomyosarcoma is a fast growing malignant tumor found primarily in infants and children.

Rhabdomyoma is a benign tumor of striated muscle.

Leiomyoma and Leiomyosarcoma are benign and malignant tumors of smooth muscle. Leiomyomas are found in the uterus where they may be called "fibroids".