图4. 肠系膜韧带样纤维瘤病典型病例基因突变情况.
A：CTNNB1基因c.121G>A（p.Thr41Ala）突变；B：CTNNB1基因c.121G>A（p.Thr41Ala）和c.134C>T（p.Ser45Phe）双突变. 箭头所指为突变位点. CTNNB1：β1联蛋白.
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