نتایج جستجو برای: cns anomalies
تعداد نتایج: 149577 فیلتر نتایج به سال:
purpose: to assess the frequency and type of associated malformations and chromosomal anomalies among patients with anophthalmia, microphthalmia, and coloboma in sistan and baluchestan province. methods: patients with a clinical diagnosis of anophthalmia, microphthalmia, or coloboma were examined to find any anomaly in craniofacial, muscle-skeletal, cardiac, neurologic and urogenital systems. a...
in this descriptive study, researchers determined rate and type of newborn infants’ anomalies in rafsanjen niknafas hospital in 1991-1995. this study is resulted from medical records of mothers referring to above mentioned center during five years. total number of child birth was 21187. 17321 was normal vaginal delivery and 3866 was cesarean section. because of unknown reasons, 57 infants were...
OBJECTIVE to compare ultrasound (US) and autopsy findings of fetal malformations in second trimester terminations of pregnancy to evaluate the degree of agreement between US and fetal autopsy. METHODS in this study, all second trimester termination of pregnancy between 2003-2010 were considered. US and autopsy findings were compared and all cases were classified into five categories according...
To study the incidence of cerebral visual impairment among children with history perinatal neurological insult and congenital brain anomalies to analyze outcome following intervention programme. A prospective interventional study, examining 100 less than 7 years over a period 1 year. All hypoxia, neonatal hypoglycemia, seizures, infantile spasm, epilepsy, hydrocephalus, anomalies, CNS infection...
Background: Ultrasonography (USG) remains the primary modality for fetal imaging. Magnetic resonance imaging (MRI) is a suitable adjunct to USG. MRI currently not used as screening tool antenatal period; however, it provides reproducible anatomy and can be more informative when diagnosis on USG inconclusive. Aim of study was contribution in diagnosing anomalies at zonal hospital.Methods: This p...
در این پژوهش، طراحی مفهومی نوترونیک چشمه نوترون سرد (cns) برای راکتور تحقیقاتی تهران (trr)با استفاده از کد mcnpx انجام شده است. چشمه نوترون سرد، نوترون هایی با انرژی بسیار پایین (سرعت کم) با طول موج بلند را برای پراکندگی نوترون ها، تولید می کند زیرا چشمه نوترون سرد، نوترون ها را تا دمای حدود 20 کلوین سرد می کند که حدود 15 برابر انرژی آن ها کم تر از نوترون های حرارتی است. این کاهش دما سبب تولید ...
crush preparation cytology technique was used during the operative procedure for the diagnosis of 199 cns tumors. this technique is simple, easy to perform, rapid, and inexpensive. the cytomorphologic findings were excellent and helped achieve a rapid and correct diagnosis. this technique was used on the tiny, small specimens which were not suitable for frozen sectioning. the results were compa...
Zika virus (ZIKV) infection is becoming one of the greatest concerns nowadays all over the world due to its rapid geographic spread and the involvement of central nervous system (CNS) in newborns and adults. Since the first report of outbreak in Brazil in 2015, microcephaly, Guillain-Barre syndrome (GBS) and ocular anomalies have been associated with ZIKV infection, although approximately 80% o...
Neurenteric cysts (NC) are rare anomalies of the central nervous system (CNS). They result from abnormal separation of the neural tube and the endodermis during the 3rd week of gestation, which leads to the persistence of endodermal elements in the spinal cord. They usually present insidiously with local spinal pain, radiculopathy, and myelopathy. We report the case of an 8-year-old boy with a ...
Neurofibromatosis-1 (NF-1) is an autosomal dominant neurocutaneous syndrome with incomplete penetrance and variable phenotypic expressivity. Although it may affect any system of the body, disease remains generally innocuous. NF-1 has been commonly linked to neurological symptoms, including headaches, seizures, cognitive deficits, learning disabilities, others. While optic glioma most common CNS...
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