患儿,女,10岁,因上腹部一硬性肿物伴上腹部不规则疼痛三月余入院。患儿自五岁后即有自拔自食头发异嗜癖。体检:贫血貌,心肺正常,上腹正中偏左可触及拳头大小肿块,质地坚硬,表面光滑,边缘清楚,无压痛。实验室检查血红蛋白90g/L,红细胞3.20×10~(12)/L,发锌测定:30.3μg/ml(正常值87.35～218.93μg/ml),B超示胃腔 Children, women, 10 years old, due to a hard tumor of the upper abdomen accompanied by irregular abdominal pain in more than three months hospitalization. Children since the age of 5 have extricated themselves hair addiction addiction. Physical examination: anemia appearance, normal heart and lung, upper left midline can touch the fist size of the mass, hard texture, smooth surface, clear edges, no tenderness. Laboratory tests hemoglobin 90g / L, erythrocyte 3.20 × 10-12 / L, hair zinc determination: 30.3μg / ml (normal value 87.35 ~ 218.93μg / ml), B ultrasound shows the stomach