نتایج جستجو برای: chromosomal anomalies
تعداد نتایج: 91765 فیلتر نتایج به سال:
Non-compaction of the left ventricle (NCLV) is a cardiomyopathy characterized by prominent left ventricular trabeculae and deep intertrabecular recesses. Associated extracardiac anomalies occur in 14-66% of patients of different series, while chromosomal anomalies were reported in sporadic cases. We investigated the prevalence of chromosomal imbalances in 25 syndromic patients with NCLV, using ...
OBJECTIVE Annular pancreas is an uncommon cause of duodenal obstruction in children. In this study, the clinical, radiological, and prognostic findings related to this disorder over a 12-year review period were analyzed. MATERIALS AND METHODS A retrospective review of 22 patients with annular pancreas who were treated with surgical repair between April 1998 and February 2010 was performed at ...
BACKGROUND The aim of this study was to determine whether the risk of congenital anomalies in a population resident close to a waste combustion plant located at Byker in the city of Newcastle upon Tyne, United Kingdom, was higher than in a population resident further away. METHODS A geographical study was carried out on the prevalence of congenital anomalies in residents living within 3 km (i...
AIM To describe the epidemiology of congenital anomalies in Glasgow with special reference to secular trends. METHODS The prevalence of congenital anomalies was determined retrospectively in 233 777 births using the Glasgow Register of Congenital Anomalies for the period 1980-97. RESULTS The total prevalence of congenital anomalies was 324 per 10 000 births, declining by just over a third f...
Background and Objectives: Primary amenorrhea is not a disease but a symptom that may result from several quite different causes. Common hormonal cause of primary amenorrhea includes constitutional delay, hypothalamic –pituitary dysfunction, chronic systemic disease and absent ovarian function. The aim of this study was to estimate the incidence of the chromosomal abnormality referred for karyo...
This collection of extraordinary photographs surveys cellular ultrastructure, histology, embryology, radiology, and botany. The preface to each of the book's five sections briefly explains the techniques used to obtain the photographs. The captions and the labeling of photographs are especially clear and make the material easy to comprehend. In addition to the "standards," the electron microsco...
Ependymomas are neoplasms that can occur anywhere along the craniospinal axis. They are the third most common brain tumor in children, representing 10% of pediatric intracranial tumors, 4% of adult brain tumors, and 15% of all spinal cord tumors. As the heterogeneity of ependymomas has severely limited the prognostic value of the World Health Organization grading system, numerous studies have f...
background: division of human genetics (dhg) is a referral center for karyotyping and counseling to the couples as well as to the individuals referred with bad obstetric history and infertility. materials and methods: from 1972 to 2003, overall 1666 couples and 131 female partners with bad obstetric history (boh) such as; spontaneous abortions, live births with congenital malformations and stil...
307 skull and a short vertebral column in the middle, which was connected at its lower end to a pelvic girdle. The lower limb skeletons, which were complete, arose from the pelvic girdle. Histologically, the specialized tissues found were skin with hair follicles and sweat glands. Sebaceous glands were conspicuous by their absence. Also cartilage, bone marrow, adipose tissue, fibrous tissue, mu...
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