Clonal karyotypic abnormalities of the hereditary multiple exostoses chromosomal loci 8q24.1 (EXT1) and 11p11-12 (EXT2) in patients with sporadic and hereditary osteochondromas

Abstract excerpt

BACKGROUND: Osteochondroma most frequently arises sporadically and as a solitary lesion, but also may arise as multiple lesions characterizing the autosomal dominant disorder hereditary multiple exostoses (HME) and the contiguous gene syndromes Langer-Giedion and DEFECT-11 syndromes. HME is genetically heterogeneous with association of three loci including 8q24.1 (EXT1), 11p11-12 (EXT2), and 19p (EXT3)....

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