卵黄囊瘤是来自性腺的生殖系的恶性肿瘤,多发生在睾丸、卵巢等性腺等组织,发生在性腺外系统组织较为少见。现就我院近期收治的1例新生儿性腺外卵黄囊瘤报道如下。患儿女,18d第1胎第1产,足月顺产,因腹胀呕吐伴1周入院。查体:T37·6℃,轻度脱水貌,浅表淋巴结无肿大。双肺听诊无罗 Yolk sac tumor is a malignant tumor of the gonadal reproductive system, occurs in testes, ovaries and other gonads and other tissues, occurs in the gonadal system is relatively rare. Now on our hospital recently admitted to a neonatal extragonadal yolk sac tumor reported as follows. Children with children, 18d 1st childbirth 1, term full-term, due to bloating and vomiting with 1 week admission. Physical examination: T37 · 6 ℃, mild dehydration appearance, superficial lymph nodes without swelling. Lung auscultation without Luo