This refers to the tumor occurring in the bone and its accessory tissues. The pathogenic factors of bone tumor have been not fully understood up to now. The initial recognition believes that there are multiple pathogenic factors in physics, chemistry, biology, genetics, nutriology, immunology and mental state. The classification of bone tumors is quite complicated. For example, it may be classified according to tissue morphology and origin of cell, but for some tumors the classification is not the same because of different recognition. It may also be classified according to malignancy of the tumors as benign, middle and malignant types, but there is no strict limit between them.
![Diseases, Symptoms, tcm, [tcmwindow.com]](/uploadFile/adImg/2015/11/11/f5cbfcc0-4df5-4646-9b9a-f316651a0199.jpg)