نتایج جستجو برای: caudal dysplasia sequence
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caudal regression syndrome (caudal dysplasia sequence) is a rare congenital malformation. it has a spectrum ranging from simple anal atresia to the absence of sacral, lumbar and possibly lower thoracic vertebrae and the most severe form called sirenomelia (mermaid syndrome). sirenomelia has a sole characteristic, which is the limbs fusion, with multiple internal structural abnormalities particu...
Caudal dysplasia sequence (CDS) comprises developmental anomalies of the caudal vertebrae, neural tube, urogenital and digestive organs, and hind limbs, the precursors of all of which are derived from the caudal eminence. Although the syndrome is well recognized, the etiology and pathogenetic mechanisms are poorly understood. We report syringomyelia in association with the CDS, which has not be...
Introduction: Jarcho- Levin syndrome and caudal regression syndrome are rare syndromes with clinical and radiologic findings of cervical and thoracic vertebral anomalies with rib deformities (jarcho-levin syndrome) and sacrococcygeal agenesis, lower extremity anomalies, truncated spinal cord and neurogenic bladder (caudal regression syndrome). There are only one report of simultaneous existen...
Abstract Background A metaplasia-dysplasia–carcinoma sequence is the most plausible carcinogenic pathway for gallbladder cancer. Although incidence of carcinoma increasing, little known about its precancerous lesions. The aim this study was to determine temporal changes in prevalence low-grade dysplasia (LGD), high-grade (HGD) and adenocarcinoma associated risk factors. Methods We retrospective...
Adrenocortical dysplasia (acd) is a spontaneous autosomal recessive mouse mutant with developmental defects in organs derived from the urogenital ridge. In surviving adult mutants, adrenocortical dysplasia and hypofunction are predominant features. Adults are infertile due to lack of mature germ cells, and 50% develop hydronephrosis due to ureteral hyperplasia. We report the identification of a...
The fibroblast growth factor receptor 3 (Fgfr3) is expressed in a rostral(low) to caudal(high) gradient in the developing cerebral cortex. Therefore, we hypothesized that Fgfr3 contributes to the correct morphology and connectivity of the caudal cortex. Overall, the forebrain structures appeared normal in Fgfr3(-/-) mice. However, cortical and hippocampal volumes were reduced by 26.7% and 16.3%...
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