نتایج جستجو برای: anophthalmos
تعداد نتایج: 207 فیلتر نتایج به سال:
Fanconi's anemia (FA) is a paradigm for congenital anomalies, aplastic anemia and predisposition to malignancies. Identification of the disease at birth is based on characteristic physical malformations, as hematologic manifestations at birth are extremely rare. We report a case of FA in a newborn who presented with anophthalmia, unilateral radial ray defect, hemivertebrae and thrombocytopenia.
The authors report a case of anophthalmia, congenital cataract and systemic malformations. Male patient, 6 months old, left anophthalmia and congenital posterior polar cataract in the right eye. The patient was treated with manual aspiration of the crystalline lens, with no intraocular lens implantation with primary posterior capsulorhexis and anterior vitrectomy through a small incision. The a...
PURPOSE To further explore the spectrum of mutations in the Visual System Homeobox 2 (VSX2/CHX10) gene previously found to be associated with autosomal recessive microphthalmia. METHODS We screened 95 probands with syndromic or isolated developmental ocular conditions (including 55 with anophthalmia/microphthalmia) for mutations in VSX2. RESULTS Homozygous mutations in VSX2 were identified ...
Microphthalmia and anophthalmia are at the severe end of the spectrum of abnormalities in ocular development. Mutations in several genes have been involved in syndromic and non-syndromic anophthalmia. Previously, RAX recessive mutations were implicated in a single patient with right anophthalmia, left microphthalmia and sclerocornea. In this study, we report the findings of novel compound heter...
In humans, haploinsufficiency of either SOX2 or PAX6 is associated with microphthalmia, anophthalmia or aniridia. In this study, through the genetic spatiotemporal specific ablation of SOX2 on both wild-type and Pax6-haploinsufficent backgrounds in the mouse, we have uncovered a transcriptionally distinct and developmentally transient stage of eye development. We show that genetic ablation of S...
The paired-like homeobox-containing gene Rx has a critical role in the eye development of several vertebrate species including Xenopus, mouse, chicken, medaka, zebrafish and human. Rx is initially expressed in the anterior neural region of developing embryos, and later in the retina and ventral hypothalamus. Abnormal regulation or function of Rx results in severe abnormalities of eye formation....
INTRODUCTION The complete absence of the chiasm (chiasmal aplasia) is a rare clinical condition. Hypoplasia of the optic nerve and congenital nystagmus are almost invariably associated characteristics. Microphthalmos or anophthalmos are common features in chiasmal aplasia, while central nervous system abnormalities are less frequent. Esophageal atresia can be isolated or syndromic. In syndromic...
BACKGROUND Retinobalstoma, the commonest childhood malignant intraocular tumour, is usually diagnosed early with over 90% survival rate in developed countries. In developing countries, the diagnosis is late resulting in less than 50% survival. OBJECTIVE To determine retinoblastoma stages at presentation and patients' outcomes. DESIGN Retrospective case series. METHODS The clinical and his...
Chang CH, Chang FM, Yu CH, Liang RI, Ko HC, Chen HY. 2000. Fetal ear assessment and prenatal detection of aneuploidy by the quantitative three-dimensional ultrasonography. Ultrasound Med Biol 26: 743–749. Chang LW, Chang FM, Chang CH, Yu CH, Cheng YC, Chen HY. 2002. Prenatal diagnosis of fetal multicystic dysplastic kidney with two-dimensional and three-dimensional ultrasound. Ultrasound Med Bi...
AIM To describe the prevalence of anophthalmia/microphthalmia in babies born in England 1988-94, as well as their overall survival, and the incidence of associated eye and non-eye malformations; to determine the usefulness of different sources of medical and health service information for establishing a retrospective register of anophthalmia/microphthalmia. METHODS Multiple sources for initia...
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