Any bone defect of a limb affects the functional capacity of the body segment in this situation, doctors specializing in traumatology and orthopedics have faced, for which it is imperative to evaluate the safety and effectiveness of the use of lyophilized allograft, We understand by benignity, when the tumor is made up of cells of the size, type and characteristics of those of the normal tissue from which they originate, they are circumscribed, encapsulated and do not invade neighboring structures. A descriptive study was carried out since it is important due to its low prevalence to organize the data of the experience that has been had in this medical center with respect to this condition and the use of bone graft for the treatment of this type of injury that, although not are common they can have important sequelae in the functionality of the patient and to carry out the activities of their daily life. A total of 32 patients were obtained, of which 4 were eliminated because they did not meet the inclusion criteria, 21% were in the upper limb, 71% in the lower limb and 7% in the chest respectively, the histopathological diagnoses found that 29% of the patients presented an enchondroma, 25% presented simple bone cyst, fibrous dysplasia in 7% and osteochondroma in 39%, 14% presented chronic post-surgical pain, did not present infections, all recovered functional mobility and 93% of they recovered their complete mobility of the affected limb, which demonstrates their effectiveness and safety.
