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PubMed1989

Hypogenitalism in the acrocallosal syndrome.

We have studied a boy with acrocallosal syndrome and hypogenitalism. He was the offspring of double first cousins. He had unusual facial appearance, postaxial polydactyly with unilateral soft tissue syndactyly of fingers, mental retardation, and absence of corpus callosum. Findings in the present case were compared with those of previously reported cases. Other syndromes associated with agenesis of the corpus callosum must be differentiated. The main differences between the acrocallosal syndrome and the Greig syndrome are outlined with particular emphasis on digital anomalies. The acrocallosal syndrome is an autosomal recessive trait with variable expressivity. Hypogenitalism may be a presenting feature. Positive consanguinity provides further evidence for autosomal recessive inheritance.

Abnormalities, Multiple↗
PubMed1989

Two rare developmental defects of the lower limbs with confirmation of the Lewin and Opitz hypothesis on the fibular and tibial developmental fields.

We report on two unrelated patients with malformations of the lower limbs. One had a unilateral apparent doubling of the volume of the femur with distal bifurcation, shortness of the tibiae, absence of fibulae, and lateral ray deficiencies of both feet. The other had a partial duplication of the distal left femur, hypoplasia and proximal dislocation of the ipsilateral tibia, syndactyly of the right 1st and 2nd toes, and preaxial polydactyly of the left foot. This report supports the hypothesis of Lewin and Opitz on the presence of two distinct fields of development: the fibular and the tibial.

Abnormalities, Multiple↗
PubMed1989

Prenatal diagnosis of cystic kidney disease with ventriculomegaly: a report of six cases in two related sibships.

In 2 consanguineous relationships, a Cape Verdian man fathered six fetuses (5 male) with fetal ventriculomegaly and echodense fetal kidneys as visualized by ultrasonography between 16 and 32 weeks. During prenatal monitoring, an increased alpha fetoprotein level and abnormal acetylcholinesterase were detected at amniocentesis in 5 of 6 affected fetuses. Chromosomes were normal. Five pregnancies resulted in elective termination; one child was still-born prematurely. Hydrocephalus and cystic disease of the (renal) cortico medullary areas were found. One fetus had polydactyly. The differential diagnosis and prenatal diagnosis of this presumably autosomal recessive syndrome are discussed.

Acetylcholinesterase↗
PubMed1989

Case report and delineation of the congenital hypothalamic hamartoblastoma syndrome (Pallister-Hall syndrome).

We report one new case of congenital hypothalamic hamartoblastoma syndrome (Pallister-Hall syndrome) and one case of a diencephalic nodule associated with craniofacial malformations. Based on a review of 11 cases of Pallister-Hall syndrome documented by pathological examination, two cases presumed by phenotype, three cases of hypothalamic hamartoma with craniofacial anomalies only, and several cases of related interest, we delineate the clinical, neuroradiologic, and neuropathologic manifestations which aid in differential diagnosis. Clinical manifestations in infants with Pallister-Hall syndrome included postaxial polydactyly with nail dysplasia, short nose with flat nasal bridge, apparently low-set, posteriorly angulated ears, kidney and lung anomalies, congenital heart defects, imperforate anus, and micropenis with undescended or hypoplastic testes in males. These manifestations were associated with varying degrees of panhypopituitarism and pituitary aplasia. In three cases of hypothalamic hamartoma associated with craniofacial anomalies only, the face resembled that of holoprosencephaly. Other cases of hypothalamic hamartoma have had associated palate or heart defects or presented with precocious puberty. Of the infants with a hypothalamic hamartoblastoma at autopsy, neuropathologic findings were consistent with a primitive neuroectodermal tumor. Surgical tissue from our sole survivor suggested such tumors might mature, and the tumor has not recurred. Neuroradiologic diagnosis may be difficult but should be attempted in infants with these clinical manifestations; due to the need for prompt initiation of appropriate therapy.

Cleft Lip↗
PubMed1989

Craniofrontonasal dysostosis with deafness and axillary pterygia.

Craniofrontonasal dysostosis (CFND) is an inherited disorder previously referred to as craniofrontonasal dysplasia. However, there is no evidence of tissue dysplasia and, therefore, the term dysostosis has been substituted. The disorder is characterized by frontonasal dysostosis, coronal craniostenosis, and the variable presence of other skeletal defects, including short webbed neck, sloping shoulders, polydactyly, syndactyly, and broad first toes. Here we report an affected mother and daughter who also have limited hip abduction. In addition, the mother had an axillary pterygia, congenital footplate fixation of the left ear, and right sensorineural hearing loss; these manifestations have not been reported previously in CFND and expand the phenotype of this syndrome. Both patients had marked restriction of shoulder abduction, and the mother had limited forearm pronation; these manifestations have been reported in only one other patient with CFND. Awareness of the possibility of these abnormalities may allow for early intervention by physical therapy and hearing aides in infants and young children with these manifestations as a component of CFND.

Abnormalities, Multiple↗
PubMed1990

Oral-facial-digital syndrome type VI (Váradi syndrome): further clinical delineation.

Cerebellar anomalies are consistent findings in patients with the oral-facial-digital syndrome type VI (Váradi syndrome) in addition to variable facial and oral changes, and polysyndactyly of hands and feet. We report 3 unrelated patients with this entity who have a hypoplastic cerebellar vermis shown by magnetic resonance imaging (MRI), as well as clinical signs of cerebellar defect. Polydactyly of the hands is characterized by a central Y-shaped metacarpal. Clinically recurrent episodes of tachypnea and hyperpnea are remarkable. Postnatal growth is delayed with short stature in all 3 patients possibly due to growth hormone deficiency in one of them. In contrast to reported patients who are all severely mentally retarded, one of our patients is of normal intelligence. Type VI oral-facial-digital syndrome is an autosomal-recessive trait and may be detected prenatally.

Abnormalities, Multiple↗
PubMed1990

Acrocallosal syndrome.

Acrocallosal syndrome is an autosomal recessive disorder of brain malformation and complex polydactyly. We report on an additional patient with this disorder. It is suggested that increased birth weight and cerebellar hypoplasia occur in acrocallosal syndrome. The finding of an extra bone within the anterior fontanel in our patient suggests similarity to the Xt mouse mutant, which is homologous to Greig syndrome in man. This provides additional support for the hypothesis of allelism of the Greig and acrocallosal syndromes.

Animals↗
PubMed1990

Obesity, hypertension, and renal disease in relatives of Bardet-Biedl syndrome sibs.

The Bardet-Biedl syndrome is a rare autosomal recessive disorder characterized by pigmentary retinopathy, obesity, polydactyly, hypogonadism, and mental retardation. Renal abnormalities, hypertension, acquired heart disease, and hepatic fibrosis also occur in homozygotes. Two adult Bardet-Biedl sibs, a man with hypertension and cardiomegaly and a woman with biliary cirrhosis, and 75 relatives in 5 generations of the extended family were identified. Hospital records for major illnesses, death certificates, and autopsy reports were examined. The frequent observation of obesity, hypertension, diabetes mellitus, and renal disease in first-degree relatives, obligate gene carriers, and other blood relatives raise the possibility that Bardet-Biedl heterozygotes are also predisposed to these disorders.

Adult↗
PubMed1990

Lambotte syndrome: microcephaly, holoprosencephaly, intrauterine growth retardation, facial anomalies, and early lethality--a new sublethal multiple congenital anomaly/mental retardation syndrome in four sibs.

We report on an Arabic sibship originating from Morocco in which four children manifest an undiagnosed sublethal multiple congenital anomaly/mental retardation (MCA/MR) syndrome of intrauterine growth retardation (IUGR), microcephaly, large soft pinnae, telecanthus or true hypertelorism with squint, flat face, unusual hooked nose, very narrow mouth, retrognathia, and extremely severe neurologic impairment. One child was stillborn. Three others died in a cachectic state during their second year. One child had a severe cerebral malformation compatible with semilobar holoprosencephaly. Other inconstant manifestations are anterior chamber cleavage defect, preaxial polydactyly of feet, interventricular septal defect, and atresia of the external auditory meatus. Autosomal recessive inheritance is likely.

Abnormalities, Multiple↗
PubMed1991

Bilateral complete polysyndactyly (type IV Haas).

We describe complete cutaneous syndactyly of all fingers and polydactyly in a 2-month-old girl. Based on 3 previous reports, this constitutes a separate entity (McKusick 18620) with probable autosomal dominant inheritance.

Female↗
PubMed1991

Pseudo-trisomy 13 syndrome.

We have coined the term "pseudo-trisomy 13 syndrome" to designate cases of holoprosencephaly, severe facial anomalies, postaxial polydactyly, various other congenital defects, and normal chromosomes. Eleven instances are summarized. Two pairs of sibs and two other cases with consanguinity suggest autosomal recessive inheritance. Autosomal recessive inheritance is possible. Alternately, an undetected microdeletion and etiologic heterogeneity (some cases possibly representing dominant new mutations) must be considered. Further delineation is necessary. It is hoped that this paper will serve as a focus for further discussion of the problem.

Abnormalities, Multiple↗
PubMed1991

Acrocallosal syndrome: a new case.

We describe a 2-month-old infant girl with typical clinical manifestations of the acrocallosal syndrome: characteristic face, agenesis of corpus callosum, polydactyly associated with other anomalies of the extremities, and mental retardation. The importance of a correct nosology and genetic counseling is underlined on the basis of the description of familiar cases of the syndrome.

Abnormalities, Multiple↗
PubMed1991

Extending the Pallister-Hall syndrome to include other central nervous system malformations.

Hall-Pallister syndrome is defined by specific facial anomalies, post axial polydactyly, imperforate anus, and brain anomalies including a rare diencephalic mass, hypothalamic hamartoblastoma. In this article, two patients are described with the usual features of Hall-Pallister syndrome, including diencephalic anomalies, but without hamartoblastomas. These patients may suggest an appropriate extension of the definition of the Hall-Pallister syndrome.

Abnormalities, Multiple↗
PubMed1991

Twin fetuses with abnormalities that overlap with three midline malformation complexes.

Twin fetuses aborted at an estimated gestational age of 145 days were concordant for oral, facial, skeletal, and central nervous system malformations. The twins were discordant for other anomalies including cardiac defects, polydactyly, and malrotated short bowel. The combination of malformations observed overlaps with that of the oral-facial-digital syndrome, hydrolethalus syndrome, and Pallister-Hall syndrome. The problem of phenotypic overlap between these syndromes is discussed.

Abnormalities, Multiple↗
PubMed1992

Report of another family with Simpson-Golabi-Behmel syndrome and a review of the literature.

Simpson-Golabi-Behmel Syndrome (SGBS), an X-linked encephalo-tropho-schisis syndrome described in fewer than a dozen families, is characterized by pre- and postnatal overgrowth, "coarse" face, minor facial anomalies and, in more severe cases, multiple congenital anomalies and mental retardation. We report on 2 brothers with overgrowth, macrocephaly, polydactyly, supernumerary nipples, and characteristic facial appearance. In addition, the propositus also had pulmonic stenosis and a cleft palate. The findings present in our patients are compared to those in the original patients and to those in patients described more recently. Despite the fact that our patients have most of the minor and several of the more severe malformations, they are not mentally retarded.

Abnormalities, Multiple↗
PubMed1992

Further delineation of the Simpson-Golabi-Behmel (SGB) syndrome.

The Simpson-Golabi-Behmel syndrome is an X-linked condition characterized by pre- and postnatal overgrowth, "coarse" face, postaxial polydactyly, midline defects, and psychomotor development ranging from normal to mildly retarded. We report on an additional sporadic patient with novel manifestations, contributing to a more thorough delineation of this syndrome.

Abnormalities, Multiple↗
PubMed1992

Autosomal recessive oral-facial-digital syndrome with resemblance to OFD types II, III, IV and VI: a new OFD syndrome?

We report on a son and daughter of Ashkenazi-Jewish parents with postaxial polydactyly of the hands and feet associated with syndactyly and brachydactyly, mental retardation, cerebellar hypoplasia, pectus excavatum, mesomelic shortness of the upper and lower limbs, and pretibial dimples. Although this appears to be an example of one of the OFD syndromes and has many similarities to OFD type II, III, IV and VI, it does not fit satisfactorily into any of the types previously described. Thus this may be a new OFD syndrome, although we cannot exclude a possibility that most or all autosomal recessive OFD syndromes are the result of pleiotropy of a single mutation in a homozygous state.

Adolescent↗
PubMed1992

Pseudo-trisomy 13 syndrome with upper limb shortness and radial hypoplasia.

We report on a fetus with holoprosencephaly, postaxial polydactyly, multiple visceral anomalies, upper limb shortness, and radial hypoplasia with normal chromosomes. We provide a brief review of the newly delineated "pseudo-trisomy 13 syndrome." Severe limb shortness of radial hypoplasia has not been described previously in this syndrome. The present case may expand the spectrum of the pseudo-trisomy 13 syndrome, or may represent a distinct entity.

Arm↗