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PubMed1987

Autosomal dominant cerebro-costo-mandibular syndrome: ultrasonographic and clinical findings.

We describe two patients, a father and his daughter, with the cerebro-costo-mandibular syndrome. New manifestations not previously described include microstomia, long philtrum, posterior cervical skin fold, short internipple distance, and depressed sacral region. The presence of hydrocephaly in the proposita and spina bifida in the father may be other manifestations of neuraxial involvement in this syndrome. The first intrauterine ultrasonographic documentation of this syndrome showed polyhydramnios and, especially, the very unusual shape of the ribs, which were short and defective. Most characteristics of the pedigree point to autosomal dominant inheritance. The great variability of inheritance and expressivity of the very few documented familial cases described in the literature, together with the great frequency of sporadic cases, indicates genetic heterogeneity of this syndrome.

Abnormalities, Multiple↗

PubMed1988

Prenatal diagnosis of chromosome abnormalities in the presence of fetal structural defects.

A chromosomal abnormality was found in 42 (10.9%) out of 386 fetuses with a structural defect. Thirty-five of these were diagnosed prenatally, following ultrasonic detection of one or more structural anomalies and associated pathology such as marked intrauterine growth retardation and polyhydramnios. Termination of pregnancy was carried out in 16 fetuses aged less than 26 weeks, intrauterine and neonatal death occurred in 20 cases, the remaining 6 infants were alive at 3 months. The poor outcome in these pregnancies emphasizes the need for prenatal chromosome analysis in the presence of a fetal structural defect.

Chromosome Aberrations↗

PubMed1988

Expanding the spectrum of the Perlman syndrome.

We report on an infant with manifestations of Perlman syndrome including polyhydramnios, macrosomia, bilateral nephromegaly with nephroblastomatosis, visceromegaly and cryptorchidism. Other findings in this infant not seen in previous patients were diaphragmatic hernia, interrupted aortic arch, hypospadias and polysplenia. This infant meets the diagnostic criteria for Perlman syndrome, suggesting that diaphragmatic hernia and cardiac defects may be additional findings in this disorder.

Abnormalities, Multiple↗

PubMed1988

Prenatal diagnosis of deletion 17p13 associated with DiGeorge anomaly.

A fetus, subsequently shown to have the deletion 17p13, was detected at 30 weeks' gestation because of multiple anomalies and polyhydramnios on ultrasonography. The fetus died and was born at 34 weeks of gestation. Pathologic examination showed intrauterine growth retardation, double outlet right ventricle (a conotruncal cardiac defect), and thymic hypoplasia suggesting partial DiGeorge anomaly. To our knowledge, DiGeorge anomaly has not been reported previously in conjunction with del(17p) nor in the Miller-Dieker syndrome. Since this deletion is the largest deletion of distal 17p observed so far, one explanation for this association may be the presence of a gene on proximal 17p for neural crest development.

Adult↗

PubMed1991

Congenital gastric teratoma in Wiedemann-Beckwith syndrome.

Wiedemann-Beckwith syndrome (WBS) may be associated with abdominal tumors, including Wilms tumor, adrenocortical carcinoma, hepatoblastoma, gonadoblastoma, rhabdomyosarcoma, and neuroblastoma. We report on a newborn infant with WBS and a congenital teratoma of the stomach. This is the sole report of any teratoma being associated with WBS and also the first report of a tumor present at birth and visible prenatally in WBS. At birth this infant boy had the diagnostic findings of WBS with macroglossia, ear lobule creases and pits, nevus flammeus, and omphalocele, and an abdominal mass. Abnormalities were detected prenatally when ultrasound examination showed placental overgrowth, polyhydramnios, omphalocele, and posterior abdominal calcifications. Resection of the mass and partial gastrectomy were performed at age 10 days; histologic study showed an immature grade-II teratoma containing a mixture of mature and immature tissues from all germ layers. Results of cytogenetic studies of blood and teratoma were normal (46,XY). This congenital gastric teratoma in a newborn boy with classical WBS may represent either a tumor or an included twin. We discuss its implications for the association of WBS with neoplasia and monozygotic (MZ) twinning, review various neoplasias associated with WBS, and consider pathogenetic mechanisms.

Beckwith-Wiedemann Syndrome↗

PubMed1991

Autosomal recessive Peters anomaly, typical facial appearance, failure to thrive, hydrocephalus, and other anomalies: further delineation of the Krause-Kivlin syndrome.

Two cousins and an unrelated patient, all offspring of consanguineous parents, presented with Peters anomaly, unusual facial appearance, disproportionate short stature, retarded skeletal maturation, and a variable degree of mental retardation. Variable digital, cardiac, CNS, and urogenital anomalies were present. The inheritance is probably autosomal recessive. The condition is a distinct clinical entity for which we suggest the eponym Krause-Kivlin syndrome. Peters anomaly is thought to result from abnormal migration of neural crest cells. A similar mechanism was implicated in the pathogenesis of other disorders of the anterior chamber. The presence of Peters anomaly, and possibly of other corneal endothelial disorders in a newborn infant, should alert the clinician to the possibility of this syndrome. Communicating hydrocephalus (or brain atrophy) and polyhydramnios were documented in two patients, potentially allowing prenatal diagnosis in secondary familial cases.

Abnormalities, Multiple↗

PubMed1991

Pathogenetic mechanisms of fetal akinesia deformation sequence and oligohydramnios sequence.

This article briefly reviews the participation of fetal compression, muscular weakness, and fetal akinesia in the genesis of the anomalies found in fetal akinesia deformation sequence (FADS) and oligohydramnios sequence (OS). Both sequences share phenotypic manifestations, such as arthrogryposis, short umbilical cord, and lung hypoplasia, in relation to decreased intrauterine fetal motility. Other characteristic manifestations found in OS, such as Potter face, and redundant skin, are produced by fetal compression. On the other hand, growth retardation, craniofacial anomalies, micrognathia, long bone hypoplasia, and polyhydramnios found in FADS could be related to intrauterine muscular weakness.

Abnormalities, Multiple↗

PubMed1992

Tissue specificity and stability of mosaicism in Pallister-Killian +i(12p) syndrome: relevance for prenatal diagnosis.

We ascertained +i(12p) mosaicism during third trimester in a case of polyhydramnios and diaphragmatic hernia. Primary cultures of amniocytes had colonies with +i(12p), colonies without +i(12p), and mixed colonies with 46/47,+i(12p). The likely explanation was instability and loss of i(12p) during somatic divisions of amniocytes. Fetal blood in third trimester retained +i(12p) in 13% of cells. A review of mosaicism in published cases indicates that factors influencing the presence of +i(12p) include tissue type and in vitro and in vivo age. In blood, amniocyte, and probably bone marrow cultures, +i(12p) is less stable than in fibroblast-like cultures derived from skin and other tissues. Young cultures at early passage are more likely to have +i(12p) than old cultures. Cultures from young (especially fetal) donors are more likely to retain +i(12p) than cultures from adult donors. These rules will be important in determining appropriate tissues for diagnosis and interpretation of mosaicism in this disorder.

Adult↗

PubMed1992

Anencephaly and limb deficiencies.

Limb deficiencies (LDs) are rarely reported in anencephalic infants. A review of 662 patients in the literature on non-neural defects in anencephaly only showed five patients with LDs. We report on eight patients with various LDs from the records of 141 necropsies of the anencephalic infants found among 495,830 births. Compared with another group of anencephalic infants reported in the literature, the patients in this group of anencephalic infants with LDs were predominantly male, their mean gestational age was younger by approximately 5 weeks, their mean birth-weight was approximately 1,400 g less, and they presented with a higher incidence of polyhydramnios during gestational development. The association of this pair of anomalies, which was 100 times more frequent than expected, seems not due to chance. Since all eight patients had other multiple congenital anomalies (MCA), in addition to anencephaly and LDs, the postmortem study should be mandatory in anencephalic infants with LDs. The most common associated anomalies were cardiovascular and renal defects. Oral clefts, diaphragmatic hernia, esophageal atresia, and imperforate anus were also observed in these infants. The recognition of LDs in anencephalic infants indicates severe and extensive disturbance of the early embryogenesis (blastogenesis), which affects the midline of the embryo.

Anencephaly↗

PubMed1995

New syndrome of hydrocephalus, endocardial fibroelastosis, and cataracts (HEC syndrome).

We report on two unrelated male infants with similar findings of communicating hydrocephalus, endocardial fibroelastosis (EFE) and congenital cataracts, who died at 4 months of age. Both mothers reported an upper respiratory infection during the first trimester of pregnancy which was further complicated by polyhydramnios in the third trimester. The infants were diagnosed with bilateral congenital nuclear cataracts at birth. Serologic tests for toxoplasmosis, rubella, cytomegalovirus, herpes simplex virus, syphilis, and galactosemia screens were negative. Chromosome analyses were normal. Both children developed communicating hydrocephalus between one and three months after birth. Patient 1 died suddenly at 4 months following an upper respiratory infection. Patient 2 developed congestive heart failure and also died at 4 months. At autopsy, both infants had enlarged hearts with endocardial fibroelastosis. No identifiable organism could be isolated. We discuss the association of birth defects in widely separated organ systems in these patients and suggest that this may represent a genetic syndrome; however, a viral etiology cannot entirely be excluded. We believe this is a distinct disorder and propose the acronym HEC for hydrocephalus, EFE and cataracts.

Abnormalities, Multiple↗

PubMed1995

X-linked myotubular myopathy: clinical observations in ten additional cases.

X-linked myotubular myopathy (XLMTM) is a recessively inherited disorder, lethal to males in the first months of life. Since the first report in 1969, at least 90 cases have been described in the literature. Diagnosis is confirmed by muscle biopsy. Linkage studies have localized the disorder to the Xq28 region, close to the loci for X-linked hydrocephalus and MASA syndrome. We report on 10 additional cases of XLMTM from six different families. In addition to classic clinical features of XLMTM, our patients showed interesting associated findings which included birth length > 90th centile and large head circumference with or without hydrocephalus in 70%, narrow, elongated face in 80%, and slender, long digits in 60% of cases. There was concordance in the occurrence and severity of hydrocephalus in most sib pairs. These features in a "floppy" male infant serve as clues for early clinical diagnosis of XLMTM, which can then be confirmed by muscle biopsy. Development of polyhydramnios was observed in the third trimester of an at-risk dizygotic twin gestation monitored by serial sonography with confirmation of XLMTM at birth.

Birth Weight↗

PubMed1995

Uniparental isodisomy of chromosome 14 in two cases: an abnormal child and a normal adult.

Uniparental disomy (UPD) of a number of different chromosomes has been found in associated with abnormal phenotypes. A growing body of evidence for an imprinting effect involving chromosome 14 has been accumulating. We report on a case of paternal UPD of chromosome 14 studied in late gestation due to polyhydramnios and a ventral wall hernia. A prenatal karyotype documented a balanced Robertsonian 14:14 translocation. The baby was born prematurely with hairy forehead, retrognathia, mild puckering of the lips and finger contractures. Hypotonia has persisted since birth and at age one year, a tracheostomy for laryngomalacia and gastrostomy for feeding remain necessary. Absence of maternal VNTR polymorphisms and homozygosity of paternal polymorphisms using chromosome 14 specific probes at D14S22 and D14S13 loci indicated paternal uniparental isodisomy (pUPID). Parental chromosomes were normal. We also report on a case of maternal UPD in a normal patient with a balanced Robertsonian 14:14 translocation and a history of multiple miscarriages. Five previous reports of chromosome 14 UPD suggest that an adverse developmental effect may be more severe whenever the UPD is paternal in origin. This is the second reported patient with paternal UPD and the fifth reported with maternal UPD, and only few phenotypic similarities are apparent. Examination of these chromosome 14 UPD cases of maternal and paternal origin suggests that there are syndromic imprinting effects.

Abnormalities, Multiple↗

PubMed1995

Infantile variant of Bartter syndrome and sensorineural deafness: a new autosomal recessive disorder.

The infantile variant of Bartter syndrome (IBS) is usually associated with maternal polyhydramnios, premature birth, postnatal polyuria and hypokalemic hypochloremic metabolic alkalosis and a typical appearance. IBS is thought to be an autosomal recessive trait. Several congenital tubular defects are associated with sensorineural deafness (SND). However, an association between the IBS and SND has not been reported so far. Here we describe 5 children of an extended consanguineous Bedouin family with IBS and SND. In 3 of the cases, the typical electrolyte imbalance and facial appearance were detected neonatally. SND was detected as early as age 1 month, suggesting either coincidental homozygotization of 2 recessive genes or a pleiotropic effect of one autosomal recessive gene. This association suggests that evaluation of SND is warranted in every case of IBS.

Adolescent↗

PubMed2004

Fryns syndrome: a review of the phenotype and diagnostic guidelines.

Fryns syndrome (FS) is the commonest autosomal recessive syndrome associated with congenital diaphragmatic hernia (CDH) and comprises CDH, pulmonary hypoplasia, craniofacial anomalies, distal limb hypoplasia, and internal malformations. Although there have been more than 50 case reports on probands with FS, the diagnostic guidelines were formulated from a review of eight patients and modifications to the guidelines have only once been suggested. Recently, several case reports have described new anomalies in FS and other papers have highlighted the variation in expressivity found in FS. This paper examines the medical literature on FS to define the phenotype and to review the diagnostic guidelines. We conclude that CDH with brachytelephalangy and/or nail hypoplasia is strongly suggestive of the diagnosis and that pulmonary hypoplasia, craniofacial dysmorphism, orofacial clefting, and polyhydramnios are sufficiently frequent to be diagnostically useful. Other distinctive malformations that are consistent with FS include ventricular dilatation or hydrocephalus, agenesis of the corpus callosum, neuronal or cerebellar heterotopias, abnormalities of the aorta, renal cysts, dilatation of the ureters, bicornuate uterus, renal dysplasia, proximal thumbs, and broad clavicles.

Abnormalities, Multiple↗

PubMed2004

Paternal uniparental isodisomy for chromosome 14 in a patient with a normal 46,XY karyotype.

Chromosome 14 demonstrates imprinting with differing phenotypes for both maternal and paternal uniparental disomy (UPD). Although only 11 cases of paternal uniparental disomy 14 (patUPD14) have been reported, a distinct clinically recognizable syndrome has emerged. The major features are polyhydramnios, small thorax, mildly short limbs, abdominal wall defects, and characteristic face with short palpebral fissures, broad flat nasal bridge, prominent philtrum, and small ears. Radiographically, the chest is bell-shaped and the ribs are distinctive with caudal bowing anteriorly and cranial bowing posteriorly. Several affected infants have died from respiratory failure. The survivors have short stature and mental retardation. The initial cases were all recognized because of translocations involving chromosome 14. Subsequently, several patients with a similar phenotype and normal chromosomes have been reported, including two with mixed iso- and hetero-disomy as well as one with segmental UPD14. Our patient is the first with pure paternal isodisomy 14 in the absence of a translocation. We present additional clinical information, review the literature, and discuss mechanisms that may explain paternal isodisomy 14 in our chromosomally normal patient. Paternal UPD14 with normal karyotype may be more common than previously suspected and may be overlooked unless recognition of the clinical phenotype prompts investigation for UPD.

Abnormalities, Multiple↗

PubMed2004

A newly recognized skeletal dysplasia with rhizomelic limbs and retinitis pigmentosa.

A girl with severe pre- and post-natal short stature, low-pitched voice, retinitis pigmentosa, photophobia, short neck, broad thorax, platyspondyly, rhizomelic shortening of the long bones, bilateral subluxation of the hips, advanced maturation of the epiphyses, and apparently normal intellectual development is described. The girl's parents are first cousins. Two subsequent pregnancies had ended in spontaneous abortion with polyhydramnios and severe growth retardation. To the best of our knowledge, this association had not been previously reported, and may be considered a newly recognized syndrome.

Abnormalities, Multiple↗

PubMed2005

Perlman syndrome: clinical report and nine-year follow-up.

We present the clinical and follow-up data of a female infant with Perlman syndrome from birth to the age of 9 years. Main features of Perlman syndrome include polyhydramnios, fetal overgrowth, neonatal macrosomia, macrocephaly, dysmorphic facial features, visceromegaly, nephroblastomatosis, and a predisposition for Wilm's tumor. In our patient, the nephromegaly with nephroblastomatosis was not present at birth or during the neonatal period; it became evident in the first months of postnatal life. A Wilm's tumor was diagnosed when she was about 1 year old. Long term follow-up documents the natural history of Perlman syndrome and allows us to establish the long-term prognosis of the affected individuals.

Abnormalities, Multiple↗

PubMed2002

SLC26A3 mutations in congenital chloride diarrhea.

Congenital chloride diarrhea (CLD) is an autosomal recessive disorder of intestinal electrolyte absorption. It is characterized by persistent secretory diarrhea resulting in polyhydramnios and prematurity prenatally, and dehydration, hypoelectrolytemia, hyperbilirubinemia, abdominal distention, and failure to thrive immediately after birth. CLD is caused by mutations in the solute carrier family 26, member 3 gene (SLC26A3, alias CLD or DRA), which encodes a Na+-independent Cl-/HCO3- (or OH-) exchanger. SLC26A3 is a member of the SLC26 sulfate permease/anion transporter family and it is expressed mainly in the apical brush border of intestinal epithelium. The only extraintestinal tissues showing SLC26A3 expression are eccrine sweat glands and seminal vesicles. A wide variety of different mutations in the SLC26A3 gene have been associated with CLD with no apparent evidence of phenotype-genotype correlation. The clinical course of CLD, however, is variable and may rather depend on environmental factors and compensatory mechanisms than mutations. In this report, we present a summary of all published and two novel SLC26A3 mutations and polymorphisms, and review them in the context of their functional consequences and clinical implications.

Antiporters↗