外胚叶

大多数禾本科胚有一片瓣状结构通常称为外胚叶。

Most grass embryos have a flap-like structure known as the epiblast .

X染色体倒位伴X连锁无汗性外胚叶发育不良一个家系的产前诊断

Prenatal diagnosis of X-linked anhidrotic ectodermal dysplasia with X-chromosome inversion

摘要：目的利用直接测序法对一中国汉族人X性连锁少汗性外胚叶发育不良家系进行基因诊断。

ABSTRACT : Objective To identify the mutations of ED1 gene in a family with X-linked hypohidrotic ectodermal dysplasia .

结论错义突变c.1045A>G是导致该X性连锁少汗性外胚叶发育不良家系临床表型的主要原因。

Conclusion The c.1045A > G mutation of ED1 gene may be the pathologic cause of this Chinese family with X-linked hypohidrotic ectodermal dysplasia .

研究背景先天性厚甲症（PachyonychiacongenitaPC）是一种少见的常染色体显性遗传性皮肽病，为外胚叶发育不良性皮肤病。

Background Pachyonychia congenita ( PC ) is an autosomal dominant disorder that usually develops in early infancy .

结果Askin瘤起源于原始神经外胚叶。

Results Askin tumor was origined from neuroectoderm .

摘要：目的提高对胰腺原始神经外胚叶肿瘤（PNET）诊断和治疗的认识。

ABSTRACT : Objective To improve the diagnosis and treatment of primitive neuroectodermal tumors ( PNET ) of the pancreas .

Wnt信号通路的异常与髓母细胞瘤、肝细胞肝癌、肝母细胞瘤及原始神经外胚叶肿瘤的发生相关。

Alterations of Wnt signaling pathway appear to contribute to pathogenesis of several human adenocarcinomas including cerebellar medulloblastomas , hepatocellular carcinomas , hepatoblastomas and primative neuroectodermal tumors .

肿瘤极易误诊为髓母细胞瘤、原始神经外胚叶肿瘤（PNET）、脉络丛乳头状癌及生殖细胞肿瘤。

The tumors are often misdiagnosed as medulloblastoma , primitive neuroectodermal tumor ( PNET ), choroid plexus carcinoma or germ cell tumors .

目的：研究少汗性外胚叶发育不全引起先天缺牙的ED1基因突变。

Objective : To detect ED1 gene mutation in three hypohidrotic ectodermal dysplasia ( HED ) nuclear families .

目的探讨对X连锁无汗性外胚叶发育不良（EDA）家系的EDA患胎进行产前诊断的可能性，为建立对该病的产前诊断及遗传咨询提供依据。

Objective To investigate the possibility of prenatal diagnosis of the fetal suspected to be affected by anhidrotic ectodermal dysplasia ( EDA ) in a family with X-linked EDA so as to provide a basis for prenatal diagnosis and genetic counseling of this disorder .

报道了无汗性外胚叶发育不全（EDA）一家系，患者既有男性，又有女性，男女比例接近1∶1，属常染色体显性遗传。

A family with anhidrotic ectodermal dysplasia ( AED ) is reported . There were 8 male and 6 female patients in the family , and the male to female ratio was approximately 1 ∶ 1 and the condition belonged to autosomal dominant inheritance .

本病恶性程度高，转移早而广泛，预后差。结论Askin瘤是一种发生于儿童和青少年胸肺部少见的原始神经外胚叶小圆细胞肿瘤，恶性程度极高，临床上应加以重视。

Conclusion Askin tumor is one of suffering from chest easily in children and the youth , the tumor is extremely malignant because of its earlier , more extensive metastasis .

儿童盆腔原始神经外胚叶瘤1例

A case of primitive neuroectodermal tumour from pelvic cavity in a child

种植义齿在外胚叶发育异常患者牙列重建中的应用

Functional reconstruction of dentition of ectodermal dysplasia using implant dentures

颅内原始神经外胚叶肿瘤的临床分析（附25例）

The Clinical Analysis of Intracranial Primitive Neuroectodermal Tumors ( 25 Cases );

少汗性外胚叶发育不良家族中毛发和汗腺的进一步观察

Hair and sweat glands in families with hypohidrotic ectodermal dysplasia : Further characterization

基因诊断有汗性外胚叶发育不良一家系

Gene Diagnosis in a Family of Hidrotic Ectodermal Dysplasia

儿童幕上原始神经外胚叶肿瘤的临床病理诊断与显微外科手术治疗

Clinical , pathological diagnosis and microsurgery of supratentorial primitive neuroectodermal tumors in children

小儿原始神经外胚叶肿瘤6例临床分析

Clinical Analysis of Six Children With Primitive Neuroectodermal Tumors

先天性外胚叶发育不全的口腔修复护理

Oral rehabilitation nursing for patients with congenital ectodermal dysplasia

胰腺原始神经外胚叶肿瘤的诊断和治疗

Diagnosis and Treatment of Primitive Neuroectodermal Tumors of Pancreas

特殊外胚叶发育不良伴独特的眼部缺陷1例

An unusual ectodermal dysplasia with unique eye defects

骨原始神经外胚叶肿瘤影像学表现

Radiological Features of Bone Primitive Neuroectodermal Tumors

幕上原始神经外胚叶肿瘤的临床病理分析

Clinicopathologic Analysis of Supratentorial Primitive Neuroectodermal Tumors

报告1例无汗性外胚叶发育不良伴巨大型环状肉芽肿。

This article reports a case of anhidrotic ectodermal dysplasia associated with giant type granuloma annulare .

外胚叶发育不良-皮肤脆性综合征一家系基因突变研究

Splice mutations of PKP 1 gene in a family with ectodermal dysplasia / skin fragility syndrome

目的分析无汗性外胚叶发育不全的遗传类型和临床特点。

Objective To analyze genetic types and clinical features with anhidrotic ectodermal dysplasia ( EDA ) .

大脑和脊髓原始神经外胚叶肿瘤临床病理学

A clinicopathological study of primitive neuroectodermal tumors of cerebrum and spinal cord : A report of 11 cases

资料与方法搜集5例骨原始神经外胚叶肿瘤的影像及临床、手术病理资料，分析其影像学表现。

Materials and Methods The radiological features , clinic and pathological data of 5 patients with bone PNETs were retrospectively analyzed .