Cases reported "Syndrome"

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1/293. Partial trisomy 9q--chromosomal syndrome.

    The clinical features consisting mainly of enophthalmos, beaked nose, narrow palpebral fissures, receding chin, long fingers and toes, typical for chromsomal syndrome or partial trisomy 9q, were confirmed in a new case.
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ranking = 1
keywords = partial trisomy, trisomy
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2/293. Partial trisomy D: a diagnostic and cytogenetic dilemma.

    An 18-month-old proposita with psychomotor retardation and other congenital abnormalities is presented. Chromosomal analysis of both parents proved normal. However, the karyotype of the proposita contained 47 chromosomes in both lymphocytes and cultured fibroblasts. The marker chromosome proved to be a deleted No. 14 or 15. Comparison of the reported cases of partial trisomy D indicates that a definitive clinical syndrome is not apparent in either case.
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ranking = 1
keywords = partial trisomy, trisomy
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3/293. Miller-Dieker syndrome and trisomy 5p in a child carrying a derivative chromosome with a microdeletion in 17p13.3 telomeric to the LIS1 and the D17S379 loci.

    trisomy 5p and Miller-Dieker syndromes frequently are the result of unbalanced segregations of reciprocal translocations of chromosomes 5 and 17 with other autosomes. The critical regions for the expression of the mentioned syndromes have been mapped to 5p13-->pter, and 17p13.3-->pter. In this report, we describe an 8-year-old girl with mental retardation, postnatal growth deficiency, generalized muscular hypotonia, seizures, microcephaly, cortical atrophy, partial agenesis of corpus callosum, cerebral ventriculomegaly, facial anomalies, patent ductus arteriosus, pectus excavatum, long fingers, and bilateral talipes equinovarus caused by the presence of a 46,XX,der(17)t(5;17)(p13.1;p13.3)mat chromosome complement. Cytogenetic studies of the family confirmed a balanced reciprocal translocation (5;17)(p13.1;p13.3) in her mother, maternal grandfather, maternal aunt, and a female first cousin. fluorescence in situ hybridization studies on the mother and the proposita using three probes, which map to distal 17p, confirmed the reciprocal translocation in the mother and a terminal deletion in the patient, which resulted in the retention of LIS1 and D17S379 loci and deletion of the 17p telomere. These findings and the phenotype of the proposita, strongly suggest that genes telomeric to LIS1 and locus D17S379 are involved in many clinical findings, including the minor facial anomalies of the Miller-Dieker syndrome.
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ranking = 0.6333828335168
keywords = trisomy
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4/293. Case of partial trisomy 2q3 with clinical manifestations of Marshall-Smith syndrome.

    We describe a girl with physical anomalies, accelerated skeletal maturation, failure to thrive, and respiratory difficulties consistent with a diagnosis of Marshall-Smith syndrome (MSS). Chromosome analysis showed an inverted duplication of chromosome 2 [46,XX,inv dup(2)(q37q32) de novo] identified by G banding and confirmed by FISH. Several cases of trisomy 2q3 have been reported and established a syndrome, but the present case is the first to be associated with accelerated skeletal maturation and a clinical picture resembling MSS. This raises the possibility that the cause of MSS involves the q3 region of chromosome 2. Few reports of MSS include study of the karyotype, although the chromosomes were apparently normal in those cases where they have been examined. We suggest that karyotyping be undertaken with particular attention to the 2q3 region in patients with suspected MSS. It also would be prudent to assess bone age in all children with trisomy 2q.
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ranking = 1.7831600826912
keywords = partial trisomy, trisomy
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5/293. association of trisomy 9p and band heterotopia.

    patients with the trisomy 9p syndrome and CNS abnormalities have been poorly assessed. We report a patient with trisomy 9p who showed band heterotopia on MRI. Abnormal neuronal migration is sufficiently frequent in patients with the trisomy 9p syndrome that brain MRI should be routinely considered in all patients with this syndrome.
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ranking = 1.1084199586544
keywords = trisomy
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6/293. A 3p deletion syndrome in a child with both del(3)(p25-->pter) and dup(17)(q23-->qter).

    A child with monosomy for the distal part of the short arm of chromosome 3 (3p25-->pter) and trisomy for the terminal portion of the long arm of chromosome 17 (17q23-->qter) is presented. This unbalanced karyotype was derived from a balanced reciprocal 3p/17q translocation in the phenotypically normal mother. Main clinical features in the proband included growth and mental retardation, hypotonia, hirsutism, micro/brachycephaly, triangular face, synophris, broad and full nose, long philtrum, narrow upper lip, low set, posteriorly turned ears, anteriorly placed anus and congenital heart defect (tetralogy of fallot). Most of these clinical manifestations have been constantly reported in previous cases with terminal 3p deletion.
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ranking = 0.1583457083792
keywords = trisomy
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7/293. Probing the human genome in search for a new 3q syndrome.

    We report a case of partial trisomy 3q syndrome which could not be clinically identified as a distinct entity. The major clinical findings include: psychomotor delay with behavioral problems, coarse facial features, frontal bossing, bushy eyebrows, prominent ears, a small upturned nose and a history of repaired inguinal hernia. There was an additional material on chromosome 4, which could easily be matched with bands 18q21.2-q22; 2p24-p25; 16p21-p23; 10p12-p14; 20q12-q13.2; 15q25-q26.2; 8p23-p24.2 and 6p22.3-p24 and a new syndrome could apparently be suggested based on GTG techniques alone. Nevertheless, by FISH technique, the extra segment was identified as a part of 3q26.3-qter. We provide an extensive review of trisomy 3q syndrome and present a caveat of the consequences of description of new syndromes based on routine banding techniques especially in situations where the origin of chromosomal abnormalities is de novo or parents are not available for cytogenetic evaluation.
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ranking = 0.5249628748624
keywords = partial trisomy, trisomy
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8/293. CHARGE association-related ocular pathology in a newborn with partial trisomy 19q and partial monosomy 21q, from a maternal translocation (19;21) (q13.1;q22.3).

    We report a novel case of partial trisomy 19q and concomitant partial monosomy 21q, segregated from a maternal translocation (19;21) (q13.1;q22.3), identified by spectral karyotyping. Clinical examination revealed dysmorphic features of the face and limbs, cleft palate, bilateral colobomas with associated bilateral colobomatous optic nerve cysts, hearing loss, and a cardiac anomaly. At autopsy, the dysmorphic features and cleft palate were confirmed. The ocular histopathology is described in detail and the cardiac anomaly was further specified. The combination of phenotype features is diagnostic of the CHARGE (coloboma, heart malformation, atresia choanae, retarded growth and development, and/or CNS anomalies, genital hypoplasia, ear anomalies and/or deafness) association. This case also has some phenotypic features in common with previous cases of partial trisomy 19q. The importance of a complete autopsy in cases with multiple congenital anomalies and/or genetic abnormalities is emphasized. This will allow optimal genetic counseling and contribute to our understanding of developmental biology.
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ranking = 2.1997029988992
keywords = partial trisomy, trisomy
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9/293. prenatal diagnosis of mosaicism for partial trisomy 8: a case report including fetal pathology.

    A case of prenatally diagnosed partial trisomy 8 is described. The 'syndrome' is associated with skeletal and cardiac anomalies, as well as hepatic calcification. Differing proportions of 47,XY, der(8) and 46 XY were present in the different fetal tissues sampled. The highest proportion of 47,XY, der(8) cells was found in the placenta.
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ranking = 1.833085832416
keywords = partial trisomy, trisomy
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10/293. Proximal 5p trisomy resulting from a marker chromosome implicates band 5p13 in 5p trisomy syndrome.

    We describe an infant with trisomy of (5)(p10p13.1) resulting from a de novo marker chromosome. The marker's origin was identified by chromosome microdissection and reverse in situ hybridization. The clinical findings are compared to those of other partial and complete 5p duplications. This case further defines the critical region of 5p trisomy syndrome to proximal 5p.
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ranking = 1.583457083792
keywords = trisomy
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