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 29,987 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

This paper reports on skeletal abnormalities in 38 patients with Apert syndrome. Analysis includes alterations in the shoulders, humeri, elbows, hips, knees, rib cage, and spine (except the cervical spine). Some patients had subacromial dimples and elbow dimples during infancy. Mobility at the glenohumeral joint was limited. Progressive limitation in abduction, forward flexion, and external rotation with growth was virtually a constant finding. The acromioclavicular joint was prominent and sometimes had an angular, pointed appearance clinically. This was often associated with atrophic musculature and winging of the scapulae. Limited elbow mobility was common and usually mild in degree. Decreased elbow extension was most often found with decreased flexion, pronation, and supination occurring less frequently. Limited elbow mobility did not change significantly with growth in contrast to the increasing severity observed in the shoulder joint. Short humeri were a constant finding beyond infancy and genua valga of mild degree were present in many cases. Radiographic examination strongly suggests that the Apert syndrome is characterized by a multiple epiphyseal dysplasia. We found delay in appearance of postnatal ossification centers, particularly in the humeral head, greater tuberosity, capitulum, and radial head. Subsequently, these bones became abnormal in shape. Glenoid dysplasia was observed consistently. The neck of the scapula was very short or absent and the inferior margin of the glenoid cavity was poorly demarcated from the infraglenoid tubercle. The humeral head became oblong in shape with relative prominence of the greater tuberosity which compromised abduction. In the elbow, the capitulum was often small and the radial head was flat in many instances.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Skeletal abnormalities in the Apert syndrome. 826 87

Asphyxiating thoracic dystrophy or Jeune's syndrome is characterized by respiratory distress, osseus dysplasia and short stature. Kozlowski and Masel have described four groups: lethal, severe, mild and latent. The mild form is generally characterized by long, narrow thorax with a reduced thoracic cage capacity, short stature, sometimes short fingers, and progressive renal involvement. Differential diagnosis can be difficult in some cases with atypical clinical manifestations. The Authors report on two cases of the mild form of Jeune's syndrome in two sibs without renal involvement and respiratory distress.
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PMID:[Asphyxiating thoracic dysplasia or Jeune's syndrome. Description of 2 mild familial cases]. 905 96

Cancer-associated human papillomavirus (HPV) types are detected in genital warts removed from immunosuppressed individuals more commonly than from those occurring in otherwise healthy individuals. The prognosis of genital warts containing cancer-associated HPV types is not known. Because it is assumed that genital warts are benign lesions, they are usually treated by destructive therapies without prior knowledge of histopathology. The aim of the present study was to determine whether genital warts from individuals with or without human immunodeficiency virus (HIV) contain high-risk HPV types or areas of dysplasia. The study design was a nonrandomized analysis of genital warts removed by excision biopsy from 15 HIV-infected patients and 15 HIV-negative patients. The tissue was analyzed for HPV DNA by hybrid capture, and microscopic sections of each biopsy were examined for areas of dysplasia. Genital warts from HIV-infected patients contained cancer-associated ("high risk") HPV types in 9 of 15 cases, including 1 that contained only a high-risk type. High-grade dysplastic abnormalities were present in 2 of the 15 lesions from this group, both of which contained high-risk HPV types. Four genital warts removed from HIV-negative patients contained high-risk HPV types, but none contained dysplastic abnormalities. It is concluded that genital warts from HIV-infected patients often contain high-risk HPV types. Such lesions may exhibit dysplastic changes. The frequency of dysplastic changes in genital warts from HIV-infected patients is not known. Biopsy of genital warts may be indicated prior to additional therapy in HIV-infected patients, and surgical removal should be considered as a preferred treatment option in these patients.
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PMID:High-grade dysplasia in genital warts from two patients infected with the human immunodeficiency virus. 944 11

We report an 18-year-old boy with occipital horn syndrome who developed aneurysms of the splenic and hepatic arteries. Occipital horn syndrome, also called X-linked cutis laxa or Ehlers-Danlos syndrome (EDS) type IX, is characterised by a skeletal dysplasia which includes occipital horns, broad clavicles, deformed radii, ulnae and humeri, narrow rib cage, undercalcified long bones and coxa valga. Distinctive features common to all patients are unusual facial appearance, hypermobility of finger joints, limitation of extension of elbows, chronic diarrhoea and genitourinary abnormalities. In this case report we describe the difficulties encountered in the diagnostic management of patients with EDS-related vascular lesions.
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PMID:Vascular complications (splenic and hepatic artery aneurysms) in the occipital horn syndrome: report of a patient and review of the literature. 988 Jun 10

Diode laser photoablation of the retinal periphery is an effective treatment for zone 1 or 2 threshold retinopathy of prematurity. Patients with small cell carcinoma of the lung and cancer-associated retinopathy have immunoreactivity with the 23-kD retinal cancer-associated antigen and a similar antigen is secreted by in vitro propagated cultures of small cell carcinoma of the lung. This cancer-associated autoimmune retinopathy is characterized by rapid visual loss, night blindness, color loss, and reduced electroretinograms. Angioid streaks start as narrow, short discontinuous hypopigmented streaks that enlarge and widen with the end stage being disciform macular degeneration, helicoid peripapillary atrophy, or diffuse choroidal sclerosis. In the setting of neonatal cholestasis, the findings of microcornea, posterior embryotoxon, mosaic iris stromal hypoplasia, anomalous optic discs, and regional peripapillary retinal depigmentation suggest the diagnosis of Alagille syndrome (arteriohepatic dysplasia).
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PMID:Ocular manifestations of various systemic disorders. 1015 Aug 22

Melnick-Needles syndrome is an X-linked dominant bone dysplasia, lethal in males, characterized by a typical facies and characteristic radiological findings: including sclerosis of skull base and mastoids. S-shaped appearance of tibia; cortical irregularities with a ribbon appearance of the ribs. About 48 well-documented cases have been reported, most of them were sporadic. Parental transmission has been published in only 11 kindreds. We are presenting the first Brazilian family with mother-daughter transmission. The proposita presented the typical clinical and radiological features with characteristic facies, severe thoracic cage restriction and pulmonary hypertension. Her mother was more mildly affected.
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PMID:Clinical and radiological aspects in Melnick-Needles syndrome. 1051 69

The authors report a case of a lethal form of asphyxiating thoracic dysplasia (Jeune syndrome) in a newborn female with a narrow thoracic cage causing severe respiratory failure at birth. The diagnosis was unequivocally confirmed by radiographs of thorax and pelvis. This report emphasizes the importance of the radiological and sonographic features in establishing a correct diagnosis.
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PMID:Asphyxiating thoracic dysplasia in a lethal form: radiological and sonographic findings. 1082 94

A pregnant woman of 24 weeks' gestation underwent ultrasound examination for fetal anomaly screening. The ultrasound findings revealed a single fetus with biparietal diameter of 61 mm, which was consistent with menstrual dates. The thoracic cage was small compared to the abdomen with hypoplastic scapulae and normally ossified unfractured ribs. All bony structures demonstrated normal echogenicity. The upper long bones were normal length and shape. Both femurs and tibiae were obviously bowed anteriorly, and slightly shortened. Bilateral talipes equinovarus were clearly demonstrated. A prenatal diagnosis of campomelic dysplasia was made and was confirmed by postnatal radiography and autopsy. The sonographic diagnosis in this case was based on the findings of small thorax, hypoplastic scapulae and bowed tibiae and femurs.
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PMID:Prenatal diagnosis of campomelic dysplasia. 1097 87

We have previously identified thirteen common minimally deleted regions (MRs) on chromosome 17 in twelve Barrett's esophageal adenocarcinoma (BOA) specimens using 41 precisely mapped microsatellite markers (Dunn et al., Oncogene, 17: 987-993, 1999). The aim of the present study has been to identify the earliest sites of loss on this chromosome that arise and persist during the progression to BOA. This has been undertaken by the analysis of multiple carefully microdissected tissue samples from each of five esophagectomy specimens, several of which contained identifiable premalignant tissue. Our data demonstrate a stepwise accumulation of loss in each analyzed specimen, consistent with a single clonal pathway in four specimens and several coexisting pathways in one specimen. Several clonal anomalies (loss preceding heterozygosity and variable intrasample degrees of loss at different markers) were also observed. Within extensively deleted regions of the tumor (seen in three specimens), small deletions were detected in premalignant tissue, predominantly at the site of our identified MRs, and these losses were seen to expand and merge during the progression to BOA. Clonal losses at MRs were first detected in tissue showing early changes histologically, including Barrett's intestinal metaplasia and intermediate-grade dysplasia. Our results provide further support for many of the MRs we have previously identified, thereby adding to evidence for the existence of multiple novel cancer-associated genes on chromosome 17 involved in the development of BOA.
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PMID:The evolution of loss of heterozygosity on chromosome 17 during the progression to barrett's adenocarcinoma involves a unique combination of target sites in individual specimens. 1105 Dec 53

Thanatophoric dysplasia (TD) is one of the most common neonatal lethal skeletal dysplasias. Prenatal sonographic and molecular genetic diagnoses of three cases of TD type I (TD1) and one case of TD type II (TD2) are presented here. Two fetuses of TD1 were characterized by polyhydramnios, macrocephaly, short limbs, a narrow thoracic cage and curved short femora, but without a cloverleaf skull at 27 and 31 weeks' gestation, respectively. The third fetus with TD1 was, however, not associated with macrocephaly, polyhydramnios, chest narrowing and severe femoral bowing on prenatal ultrasound at 18 weeks' gestation. The TD2 fetus was characterized by polyhydramnios, short limbs, a narrow thoracic cage, straight short femora, hydrocephalus and a cloverleaf skull at 24 weeks' gestation. Three-dimensional ultrasound was able to enhance the visualization of thickened, redundant skin folds and craniofacial and limb deformities associated with TD. Molecular analysis of the fibroblast growth factor receptor 3 (FGFR3) gene by restriction enzyme digestion analysis and direct sequencing using cultured amniotic fluid cells or cord blood cells revealed a missense mutation of 742C-->T (Arg248Cys) in all cases with TD1 and a missense mutation of 1948A-->G (Lys650Glu) in the case with TD2. The present report shows that adjunctive applications of molecular genetic analysis of the FGFR3 gene and three-dimensional ultrasound are useful for prenatal diagnosis of TD.
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PMID:Prenatal diagnosis and genetic analysis of type I and type II thanatophoric dysplasia. 1124 32


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