我科自1981～1983年收治小婴儿蛛网膜下腔出血13例。年龄从25天至3个月,均为母乳喂养,无外伤史及家族出血史。主要症状体征为惊厥、前囟饱满、颅骨缝裂开及贫血,其次为发热、呕吐、肝大、黄疸、瞳孔不等大、肢体强直、脑膜刺激征、偏瘫及出血等。实验室检查:血红蛋白3.5～10克;白细胞15,000～37,000;血小板均高于11万; Our department from 1981 to 1983 admitted to small infants 13 cases of subarachnoid hemorrhage. Age from 25 days to 3 months, are breastfeeding, no history of trauma and family history of bleeding. The main symptoms and signs of convulsions, full of anterior fontanelle, craniosynostosis and anemia, followed by fever, vomiting, hepatomegalia, jaundice, pupil ranging, limb rigidity, meningeal irritation, hemiplegia and bleeding. Laboratory tests: hemoglobin 3.5 to 10 grams; 15,000 to 37,000 white blood cells; platelets were higher than 110,000;