- Van Buchem disease (hyperostosis corticalis generalisata) maps to chromosome 17q12-q21. Van Hul, W., Balemans, W., Van Hul, E., Dikkers, F.G., Obee, H., Stokroos, R.J., Hildering, P., Vanhoenacker, F., Van Camp, G., Willems, P.J. Am. J. Hum. Genet. (1998)