胃部畸胎瘤罕见，我院为一新生儿胃部切除一重达1．25kg畸胎瘤，现报道如下。患儿，男，23天。足月顺产，生后即腹胀，逐日加重，吃奶量少，伴呕吐。体格检查：腹部高度膨隆，腹壁静脉显露。扪及一肿块占据整个腹腔，大结节状，囊实性感，固定。双肾区无饱满。B超：腹部探及数 Stomach teratocarcinoma rare, our hospital for a newborn stomach resection weighing 1.25kg teratoma, are reported below. Children, male, 23 days. Full-term follow-up, bloating after birth, increasing day by day, with less milk, with vomiting. Physical examination: bulging abdomen, abdominal veins revealed. A palpable mass occupy the entire abdominal cavity, nodular, capsule solid sexy, fixed. Nephrotic area without fullness. B super: abdomen exploration and number