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在收集胚胎标本中,发现一例无头颈无上肢畸胎,该胎外观男性,长28cm,最宽处11cm,重1700g.与此胎同时出生的是一个正常男婴,体重2450g,身高49cm,发育良好.母亲30岁,非近亲结婚,怀孕期间未用过致畸药物,无X线照射史,家族中无畸胎史.1 特征 无头,无颈,无上肢,胸部无乳头,脐带位于距最上端11cm处,断端可见三个空腔结构.会阴处呈男性生殖器,有阴茎及阴囊,无色素沉着,有直径4mm的肛门.下肢存在,近侧较粗,相当于大腿,右侧长5.5cm,横径4.4cm;左侧长6.6cm,横径2.3cm.远侧为小腿,右侧长5.7cm,横径2.3cm;左侧长4.7cm,横径2.7cm.足外形大致正常,呈内翻状,右足长3.6cm,有五趾,但外二趾与其余三趾相距较远;左足长4.0cm,仅三趾,趾甲明显.
In the collection of embryonic specimens, one case of headless neck without upper limb teratoma was found, the appearance of the male male, 28cm long, widest point 11cm, weight 1700g .Born with this child is a normal baby boy, weighing 2450g, height 49cm, development Good mother 30 years of age, non-relatives married, not used during pregnancy teratogenic drugs, no history of X-ray irradiation, no history of teratoma in the family .1 features no head, no neck, no upper limbs, no nipple chest, At the uppermost 11 cm, there are three cavity structures at the stump, and the male genitals at the perineum have penises and scrotums, no pigmentation, an anus with a diameter of 4 mm, lower extremities with thick proximal, corresponding to the thigh and the right long 5.5cm, diameter 4.4cm; the left side of the long 6.6cm, horizontal 2.3cm. Distal to the calf, right 5.7cm long, horizontal 2.3cm; left 4.7cm, diameter 2.7cm. Foot shape is generally normal , Was varus, right foot length 3.6cm, there are five toes, but the outer two toes and the remaining three toe far; left foot length 4.0cm, only three toes, nail is obvious.