No abstract

Osteocartilaginous exostoses is the most common benign bone tumor of childhood whose predominant growth on cartilage with potential impact on bone development and architecture, with potential risk of fractures and installation of malignant neoplasms. We present a case of an 11 -year -old female child, admitted to the unit complained of pain in the proximal region of the left ulna and distal third of the ipsilateral tibia with evolution of one year and suspected hereditary multiple exostosis whose histopathological result was positive for osteochondroma. The conduct for this case consisted of surgical extraction of the bone mass and outpatient follow -up for the case of relevant angular deviation of limbs, fractures or emergence of neoplasia suspected of malignancy.