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[Double recurrent humerus osteochondroma].

This paper presents rare case of the double recurrent humerus osteochondroma in 18 years old man. Tumour was removed twice, in the age 5 and 10 years. In 18 years after tiny injury odoema and pain associated double, recurrent exostosis. Precise analysis of radiograms allowed diagnosis of infracture of one of exostosis and excluded malignant transformation. Whole tumour resection could patient's heal and make final diagnosis--double recurrent humerus osteochondroma.