- Multiple exostoses, mental retardation, hypertrichosis, and brain abnormalities in a boy with a de novo 8q24 submicroscopic interstitial deletion. Wuyts, W., Roland, D., Lüdecke, H.J., Wauters, J., Foulon, M., Van Hul, W., Van Maldergem, L. Am. J. Med. Genet. (2002)