患儿，男，１岁２月，因排使便困难，顽固性便秘且呈进行性加重半年余入院。患儿从半岁左右大便干结，排便时哭闹，发展到后期排大便时需家长按压会阴部系挤牙羔似的才能排出少量干结大便，进食及发育尚正常。入院查：一般情况可，营养中等，无心脏病及消化道部其它畸形，... Children, male, 1-year-old in February, due to make it difficult to row, intractable constipation and progressive increase more than six months admitted. Children from about six months old stool dry stool, crying during defecation, the development of the late stool row when the need to press the perineal Department squeeze the teeth like a small number of teeth to excrete stool, eating and development is still normal. Admission check: the general situation may be, moderate nutrition, no heart disease and other gastrointestinal deformities, ...