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PubMed1982

A diagnostic index for Down syndrome.

We have made use of eight phenotypic findings of Down syndrome to develop an effective diagnostic index. We estimate that about 95% of patients who are suspected of having the syndrome can be categorized as having or not having it with 99.9% confidence. One can thereby make a fast clinical diagnosis on the majority of suspects before karyotyping is complete, allowing one to inform parents soon after birth and, in some instances, to make medical decisions about life-threatening defects. Furthermore, one can avoid the expense of chromosome studies on most patients who do not have the syndrome, unless there are other indications for chromosome studies. The eight features used in the index include three dermatoglyphic traits (hallucal and forefinger pattern, and palmar triradius), two measurements of physical traits (ear length and internipple distance), and three other clinical findings (Brushfield spots, wide-spaced first toe, and excess back neck skin).

Anthropometry↗
PubMed1984

Abnormal distal phalanges and nails, deafness, mental retardation, and seizure disorder: a new familial syndrome.

A 10-year-old boy and his 9-year-old sister, with abnormalities of distal phalanges of hands and feet, onychodystrophy, deafness, mental retardation, seizure disorder, and abnormal dermatoglyphics, are described. Six similarly affected patients have been reported. These eight patients represent a new syndrome, which is inherited as an autosomal recessive trait.

Abnormalities, Multiple↗
PubMedDate not supplied

Beyond measurement: the pattern is the thing.

Perhaps cognitive and brain imaging measures have been pushed almost as far as they can go in helping diagnose or understand AD. Their value may increase with the development of better models of the disease and the addition of new types of measurements to the armamentarium (e.g., eye-tracking, olfactory, and dermatoglyphic evaluations). Together they may lead to a more precise definition of the "AD pattern."

Alzheimer Disease↗
PubMed1983

Anomalous hands with cleft formation between the fourth and fifth digits.

Three similar cases of cleft hand deformities between the fourth and fifth digits accompanied by hypoplasia of the small finger are reported. After analyses of clinical photographs, radiographs, angiograms, and dermatoglyphic prints of these abnormal hands, it is difficult to fit them into either the ulnar ray deficiency or cleft hand categories of the system of classification adopted by the International Federation of Societies for Surgery of the Hand.

Child, Preschool↗
PubMed1984

The heterogeneity of distal arthrogryposis.

A study of distal arthrogryposis is described including neurology, electromyography, cerebral and muscular CT-scanning, and muscle and nerve biopsies. In four cases presenting with congenital distal contractures, various neuromuscular disorders were diagnosed. They were respectively, congenital myopathy with core-like structures, congenital hypertrophic neuropathy, axonal neuropathy and anterior horn cell disease. The role of cerebral disorders in the pathogenesis of distal contractures is also considered. The significance of abnormal dermatoglyphics in the determination of the prenatal time of onset of congenital myopathies and arthrogryposis is discussed. Our findings provide evidence for the hypothesis that distal arthrogryposis may not be a distinct clinical entity with an autosomal dominant inheritance pattern, but a symptom, indicating various cerebral, neuromuscular and connective tissue disorders, present in numerous congenital syndromes with different modes of inheritance. In addition the value of electromyography, nerve conduction velocity studies, muscle and cerebral CT-scanning, and histology of muscle and nerve biopsies in the differential diagnosis of (distal) arthrogryposis is stressed.

Adolescent↗
PubMed1999

Epilepsy and polymicrogyria in Kabuki make-up (Niikawa-Kuroki) syndrome.

Kabuki make-up syndrome is a rare dysmorphogenic disorder characterized by peculiar facial appearance (resembling the make-up of actors in Kabuki, the traditional Japanese theatre), skeletal anomalies, dermatoglyphic abnormalities, postnatal growth deficiency, and mental retardation. Central nervous system dysfunctions, other than mental retardation, are rarely reported; they include microcephaly, brachycephaly, early hypotonia, feeding disorders, subatrophy of the optic nerves, subarachnoid cyst, cerebellar and brainstem atrophy, and epilepsy. These manifestations appear to be more common in non-Japanese patients. Reported is an Italian child with phenotypical appearance of Kabuki make-up syndrome and partial epilepsy who demonstrated polymicrogyria on neuroimaging. This article is the first report of a gyration disorder in Kabuki make-up syndrome. The relationship between epilepsy and polymicrogyria in this patient is discussed.

Abnormalities, Multiple↗
PubMed1999

Epidemiological comparison of schizophrenia and bipolar disorder.

Schizophrenia and bipolar disorder share many epidemiological features in common, but there are also differences. Both disorders share some risk factors, suggesting etiological antecedents that date to the perinatal period; these include excess of winter-spring births, abnormal dermatoglyphics, and probably an excess of perinatal complications. By contrast, an excess of urban births and an excess of minor physical anomalies are present in schizophrenia, but apparently not in bipolar disorder. Bipolar disorder also may be found in geographic, presumably genetic, isolates and in higher prevalence in higher socio-economic groups, which also differentiates it from schizophrenia. It is hypothesized that a subset of individuals with bipolar disorder constitutes a distinct disease entity, but that the majority share some common etiological antecedents with schizophrenia and may represent a disease continuum.

Bipolar Disorder↗
PubMed2000

Developmental instability and schizotypy.

INTRODUCTION: It has been suggested that evidence of developmental disturbance of cognition and lateralisation in schizophrenia can be best understood from the perspective of developmental stability (DS), an indicator of the extent to which an individual develops according to a specified ontogenic programme in the presence of environmental noise. Higher levels of fluctuating asymmetry (FA; the difference between right and left side of a quantitative morphological trait such as dermatoglyphics) are thought to reflect less DS. We examined this issue for dimensions of schizotypy. METHODS: Associations between FA, measures of laterality and cognitive function on the one hand, and negative and positive dimensions of schizotypy on the other, were examined in a sample of 260 healthy adolescents aged 11.9-15.6years. FA was measured as a-b ridge count right-left differences. Neuropsychological measures yielded a general cognitive ability score and a frontal function score. Laterality was assessed with the Annett scale. RESULTS: Measures of psychosis proneness were normally distributed. Negative schizotypy was associated with more FA and lower general cognitive ability in a dose-response fashion. The association with FA was more apparent in boys. No associations existed with laterality or frontal function. CONCLUSION: The negative dimension of schizotypy may be associated with early developmental instability, resembling the pattern seen in the negative symptom dimension of schizophrenia. Measures of fluctuating asymmetry may be more sensitive with regard to the schizotypy phenotype than measures of laterality.

Adolescent↗
PubMed1991

Influence of placentation on high density lipoproteins in adult males: the NHLBI twin study.

Dizygotic (DZ) World War II veteran twins who participated in the National Heart Lung and Blood Institute (NHLBI) Twin Study have been reported to have greater variance than monozygotic (MZ) twins for plasma high-density lipoprotein cholesterol (HDL-C), cholesterol in the low-density fraction of HDL (HDL2-C) and apolipoprotein A-I, a major protein component of HDL. It was hypothesized that a possible source of this difference in zygosity variance could be prenatal environmental influences related to placental type. Dermatoglyphics were used to provide a retrospective index of placental type in a subset of the NHLBI MZ twins aged 59-70. The MZ twins classified as dichorionic were found to have significantly greater within-pair variability than the monochorionic MZ twins for HDL-C, HDL2-C and Apo A-I. These findings indicate that intrauterine environmental influences on HDL are manifest later in life.

Aged↗
PubMed1976

Wolf's syndrome in twins -- translocation in the mother.

A case of MZ twins, both affected by Wolf's syndrome, is described. Their mother, of subnormal look and low intellectual level is translocated. The children, born with a weight and size much below the average, show a very special morphotype; a hook-nose, an an abnormal conformation of the back edge of the nostrils (a protrusion in the shape of a horn overhanging the filtrum), hypertelorism, microcephaly. Great asynchronism in the maturation of the bones and a somatoschisis of the body of the cervical vertebrae are noted. Deletion of the short arm chromosome 4 is juxtacentromeric. The study of blood and tissue groups corroborates monozygosity. Dermatoglyphs are little abnormal and identical in the two children. The mother's family is phenotypically normal. At 19 months of age, measuring is still below 4, psychomotor progress is extremely weak, and convulsions are frequent.

Abnormalities, Multiple↗
PubMed2003

Epilepsy and perisylvian polymicrogyria in a patient with Kabuki syndrome.

Kabuki syndrome is a dysmorphogenic syndrome which has been reported in over 300 patients since it was first described in Japan in 1981. In addition to its cardinal features (typical facies, mild-to-moderate learning disability, short stature, skeletal anomalies, and dermatoglyphic abnormalities with persistent foetal fingerpads), neurological anomalies are frequently reported, including epilepsy in 8% of those with the syndrome. We present here a 22-year-old white female patient with refractory partial epilepsy, Kabuki syndrome, and bilateral perisylvian polymicrogyria on MRI: the first reported case of this association. The aetiology of the syndrome, including the diverse genetic changes recognized, is then discussed.

Abnormalities, Multiple↗
PubMed2005

Genome-wide screening using array-CGH does not reveal microdeletions/microduplications in children with Kabuki syndrome.

Kabuki syndrome (KS) is a rare multiple congenital anomaly/mental retardation syndrome. It is characterized by a distinct facial appearance, mental retardation, postnatal growth retardation, skeletal anomalies, unusual dermatoglyphics and fetal fingertip pads. It has previously been speculated that KS is caused by a microdeletion or duplication. In a recent report, an interstitial microduplication of 8p22-23.1 was presented in several cases with this disorder. We investigated 10 Caucasian patients diagnosed with KS by fluorescence in situ hybridization and microsatellite markers located on 8p22-23.1. Using the same clones that were previously reported to be duplicated on chromosome 8p, we could exclude the duplication in all our patients. In addition, we performed a genome-wide screening on this group of patients using array-based comparative genomic hybridization containing BAC clones spaced at approximately 1 Mb intervals across the genome and could not find any evidence for gene dose alterations. The characteristics of KS are variable, a fact that complicates the diagnosis of this disorder. It is possible that we will find genetic heterogeneity among Kabuki patients, and therefore it is unlikely that all patients have an interstitial 8p duplication. We conclude that the etiology of KS remains to be solved and further genetic studies are necessary to delineate its genetic cause.

Adolescent↗
PubMed2005

Failure to detect an 8p22-8p23.1 duplication in patients with Kabuki (Niikawa-Kuroki) syndrome.

Kabuki syndrome (KS) is a rare MCA/MR syndrome with an estimated frequency of 1/32 000 in Japan. This syndrome is characterized by postnatal growth retardation, distinctive facial features, dermatoglyphic anomalies, skeletal dysplasia, and mental retardation. The molecular basis of KS remains unknown. Recently, Milunsky and Huang reported on six unrelated patients with a clinical diagnosis of KS and an 8p22-8p23.1 duplication using comparative genomic hybridization and BAC-FISH studies. Also, they suggested that a paracentric inversion may contribute to the occurrence of KS. In the present study, 24 patients with a clinical diagnosis of KS based on Niikawa-Kuroki criteria have been collected. They were tested for the presence of an 8p duplication using the same clones as described by Milunsky and Huang. Our results do not confirm the previously described association between KS and an 8p22-8p23.1 duplication.

Abnormalities, Multiple↗
PubMed2001

Normal expression of the 19-DEJ-1 epitope in two siblings with late-onset junctional epidermolysis bullosa.

We describe two siblings with late-onset junctional epidermolysis bullosa (JEB) (formerly called epidermolysis junctionalis progressiva). This is a subtype of autosomal recessive JEB characterized by late onset of the symptoms, between the ages of 5 and 8 years. The symptoms are mechanobullous lesions preferentially situated on hands and feet, nail dystrophy, loss of dermatoglyphic pattern, tooth enamel abnormalities and hyperhidrosis. In most forms of JEB a reduction or absence of a specific hemidesmosomal component can be demonstrated by means of immunohistochemical analysis. In this family, all known involved hemidesmosomal components, including uncein, recognized by the monoclonal antibody 19-DEJ-1, appeared to be normally expressed.

Adolescent↗
PubMed2002

Kindler syndrome in a Saudi kindred.

We report a large consanguineous Saudi-Arabian pedigree containing 11 individuals with the autosomal recessive genodermatosis, Kindler syndrome. Three affected cases died in infancy but the remaining eight had signs of photosensitivity, generalized poikiloderma, webbed fingers, loss of dermatoglyphics and nail dystrophy. The majority also had oral involvement with bleeding gums. Additional features seen in some cases included pseudoainhum of the toes, sclerotic bands on the wrists and hand deformities. The aetiology of Kindler syndrome is not yet known, but the underlying defect leads to both cutaneous and oral inflammation, along with photosensitivity and scarring.

Adult↗
PubMed2000

A case of mosaic trisomy 21 with Down's syndrome signs and normal intellectual development.

The present case study describes an adult male with clinical signs of mild Down's syndrome (DS), who performed well at school and reached university level. A karyotype was done on a lymphocyte culture and mosaic trisomy 21 was found in 3% of the 437 cells analysed. Eleven signs from Jackson's checklist were found in the clinical evaluation, which along with the analysis of the subject's dermatoglyphic traits, confirmed the DS diagnosis. Cognitive evaluation was done with several psychological tests and the results were within the average range. This rare phenotypic association shows that normal intellectual development may be possible in DS. This finding could be explained by the low trisomic cell frequency, which may have little effect on the critical tissues for intellectual development, and it might also reflect the wide phenotypic variation in mosaic trisomy 21. Other factors, such as strong family support, early and continued intervention programmes for both physical and speech therapy, and a thorough educational process, also provided opportunities for the development of the cognitive potential of the subject.

Adult↗
PubMed2002

3-M syndrome in two sisters.

3-M syndrome is a rare, autosomal recessive dwarfing syndrome characterized by prenatal growth restriction, facial dysmorphism and absence of both microcephaly and mental retardation. The term 3-M syndrome originates from the common initial of the first three authors of the first report. The diagnosis is established by a combination of clinical history, clinical examination and radiographic findings. The present report shows two sisters whose facial features were slightly different from those usually reported. In addition, they presented with small nails and abnormal dermatoglyphics. The present report expands the phenotypic spectrum of 3-M syndrome.

Abnormalities, Multiple↗
PubMed2002

Refined mapping of Naegeli-Franceschetti- Jadassohn syndrome to a 6 cM interval on chromosome 17q11.2-q21 and investigation of candidate genes.

Naegeli-Franceschetti-Jadassohn syndrome and dermatopathia pigmentosa reticularis are autosomal dominant ectodermal dysplasias characterized by the absence of dermatoglyphics, reticulate hyper pigmentation of the skin, hypohidrosis, and heat intolerance. Palmoplantar keratoderma, nail dystrophy, and enamel defects are common in Naegeli-Franceschetti-Jadassohn syndrome, whereas diffuse alopecia is only seen in dermatopathia pigmentosa reticularis. We studied a large Swiss family with Naegeli-Franceschetti-Jadassohn syndrome originally described by Naegeli in 1927 and assessed linkage to chromosome 17q, which was proposed to harbor the Naegeli-Franceschetti-Jadassohn syndrome gene. Our results considerably narrow the Naegeli-Franceschetti-Jadassohn syndrome gene region from 27 cM to 6 cM flanked by D17S933 and D17S934 with a maximum multipoint LOD score of 2.7 at marker locus D17S800. In addition, we studied a small family with dermatopathia pigmentosa reticularis, and our linkage data suggest that dermatopathia pigmentosa reticularis may map to the same chromosomal region. The Naegeli-Franceschetti-Jadassohn syndrome critical interval spans approximately 5.4 Mb and contains a minimum of 45 distinct genes. We scrutinized 13 new prime candidates in addition to five genes previously examined, established the genomic organization of 10 of these genes, and excluded all of them by mutation analysis. Moreover, we identified a cDNA (KRT24) encoding a new keratin protein that bears high similarity to the type I keratins and displays a unique expression profile. No pathogenic mutations were identified in this novel gene either, however. In summary, our results substantially refine the Naegeli-Franceschetti-Jadassohn syndrome region and will aid in identifying a gene that is critical for ontogenesis of multiple ectodermal tissues.

Amino Acid Sequence↗