Rhabdomyomatous

An identical method of examination demonstrated the same property of refraction in the fibres of a tumor of a rhabdomyomatous nature preserved in the Pathological Institute of Stockholm.

The fact that uterine myomata often contain various heterotopic inclusions—comprising epithelial, cartilaginous, calcareous, osseous, mucoid, fatty and even rhabdomyomatous elements—points to their pre-natal origin.

Most rhabdomyomatous tumours are either embryonic growths derived from immature myoblastic or undifferentiated mesenchymal tissue or mixed tumours in which other heterotopic tissues besides muscle are differentiated.