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人们早已认识颈肋有家族聚集现象,但对其遗传方式尚不清楚。本文作者报告南非一个家族中发现的9例颈肋患者。9例患者分布在2个家庭的连续3代成员中,系谱图符合常染色体显性遗传的特征。
People have long been aware of the phenomenon of familial aggregation of cervical rib, but its genetic mode is not clear. The authors report nine cases of cervical rib found in a family in South Africa. Nine patients were found in three consecutive generations of two families, and the pedigree was consistent with autosomal dominant features.