hybridization on short‐term cultures and frozen sections. Trisomy 8 was detected in four out
of ten tumors, of which only one had shown trisomy 8 by karyotype analysis. Since trisomy 8
has been reported in superficial fibromatoses, which are clinically distinct but histologically
similar to desmoid tumors, the occurrence of trisomy 8 in both may be a further indication of
a close relationship. Genes Chromosom Cancer 10: 131–135 (1994).© 1994 Wiley‐Liss …