婴儿纤维性错构瘤(fibrous hamartoma of infancy,FHI)是一种罕见的婴幼儿表浅软组织肿瘤,属于错构瘤性或胚胎发育不良的良性病变。本文报道3例FHI,并结合文献进行分析。1材料与方法1.1临床资料例1,男性,2岁。发现颈项肿物半年,查体见肿物位于颈项部,大小5 cm×5 cm×4 cm,质中,稍压痛。B超示颈后肌层表面4.7 cm×3.3 cm×1.8 cm不均等回声肿物,形态规则,边界欠 The fibrous hamartoma of infancy (FHI) is a rare infantile superficial soft tissue tumor that belongs to hamartoma or benign embryonic dysplasia. This article reports 3 cases of FHI, combined with the literature for analysis. 1 Materials and Methods 1.1 Clinical data example 1, male, 2 years old. Found neck tumor for six months, physical examination found the neck in the neck, the size of 5 cm × 5 cm × 4 cm, quality, a little tenderness. B ultrasound showed the surface of the posterior cervical muscle 4.7 cm × 3.3 cm × 1.8 cm unequal echogenic mass, morphology, border