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PubMed1998

Previously undescribed syndrome of spondylometaphyseal dysplasia, osteocartilaginous metaplasia of long bones, and progressive osteolysis of distal phalanges.

We present the findings and clinical course of a Caucasian woman (now age 23 1/2) who has been treated since early childhood for a previously undescribed syndrome of painful osteocartilaginous metaplasia of long bone metaphyses and painful distal phalangeal osteolysis and soft tissue swelling. Despite extensive evaluations and attempts at effective treatment, the cause and pathogenesis of her unique musculoskeletal disorder remain elusive.

Abnormalities, Multiple↗
PubMed1998

Associated anomalies in individuals with polydactyly.

An epidemiological analysis of the association of polydactyly with other congenital anomalies was performed in 5,927 consecutively born polydactyly cases. They were grouped into three categories: duplicated fifth digit, duplicated first digit, and rare polydactylies; also into isolated or associated groups, if other birth defects were or were not observed in the same infant. Associated cases were further subdivided into: combined, if the other defect was a limb defect; syndromic, if a non-limb defect constituted a recognized causal or pathogenetic entity; and MCA, if a non-limb defect did not constitute a recognized entity. In 14.6% of the 5,927 polydactyly cases studied, polydactyly was not the only congenital anomaly. This associated proportion was minimal for postaxial (11.8%), intermediate for preaxial-I (20.0%), and maximal for rare polydactyly (54.9%). Duplication of the fifth toe plus syndactyly of fourth and fifth toes, as well as other syndactylies adjacent to the duplicated digit is the most frequent type. Syndactyly of fourth and fifth toes was also combined with a duplicated fifth finger, suggesting the existence of an arrested or amputated in utero sixth toe. Polydactylies are rarely associated with other congenital anomalies except in recognizable syndromes. When syndromes are excluded, most of the significant positive associations disappear. Trisomy 13, Meckel, and Down syndrome explained 255 of the 338 syndromic polydactyly cases. Down syndrome is strongly associated with first-digit duplication, and negatively associated with postaxial polydactyly. The latter could not be explained by maternal age differences among Black and non-Black case sub-sets.

Abnormalities, Multiple↗
PubMed1999

Chondrodysplasia punctata stemming from maternal lupus erythematosus.

The finding of stippled epiphyses on a neonatal radiograph generates a wide differential diagnosis, including genetic and teratogenic causes. We report the case of a male infant with stippled epiphyses evident on neonatal radiographs in whom a typical rash of lupus erythematosus developed. The skin abnormalities in the infant resulted in a diagnosis of systemic lupus erythematosus in his mother. Over a 3-year follow-up period, the child has demonstrated strikingly short stature, midface hypoplasia, anomalous digital development, slow resolution of the stippled epiphyses, and near normal cognitive development. The differential diagnosis of chondrodysplasia punctata and the literature supporting maternal lupus as one cause are reviewed.

Adult↗
PubMed2000

Ophthalmo-acromelic syndrome: report and review.

The ophthalmo-acromelic syndrome of Waardenburg is an autosomal recessive trait comprising eye malformations ranging from true anophthalmia to mild microphthalmia with acromelic malformations. Some 29 affected individuals have been reported since Waardenburg's first report in 1935 [Waardenburg et al., 1961]. We report on a new case with bilateral anophthalmia and typical limb malformations. The patient also was found to have interruption of the inferior vena cava with azygos continuation as an additional finding. The previous reports are reviewed to elucidate the spectrum of the syndrome.

Anophthalmos↗
PubMed2000

Terminal osseous dysplasia and pigmentary defects: clinical characterization of a novel male lethal X-linked syndrome.

We describe a new syndrome of distal limb anomalies and pigmentary skin defects in 10 females of a large, four-generation pedigree. The family was ascertained through a 4-month-old infant girl with multiple anomalies, including hypertelorism, iris colobomas, low-set ears, midface hypoplasia, punched-out pigmentary abnormalities over the face and scalp, generalized brachydactyly, and digital fibromatosis. No affected males were identified in this pedigree. Affected females had a lower than normal male-to-female ratio of liveborn offspring, and some of them also had a history of several miscarriages. These findings, together with a significant variability in the phenotype of the affected females, suggest that this condition is inherited in an X-linked dominant fashion, with prenatal male lethality, and that X-inactivation plays an important role in the phenotypic expression of the disease. The syndrome has been described twice in the literature, but only in sporadic cases; it was therefore not recognized as a mendelian entity. Because the most consistent findings are anomalies of the distal skeleton of the limbs and localized pigmentary abnormalities of the skin, we named the syndrome "terminal osseous dysplasia with pigmentary defects." This condition, though rare, can be added to the small group of male lethal X-linked dominant disorders in humans.

Bone Diseases, Developmental↗
PubMed2000

Recurrent digital fibroma, focal dermal hypoplasia, and limb malformations.

Recurrent digital fibroma of infancy generally is considered a sporadic tumor of childhood. We describe the case of a mother with recurrent digital fibroma at a young age who gave birth to a daughter with focal dermal hypoplasia, coloboma of the iris and eyelids, anal atresia, and extensive limb malformations. When the infant was 3 months old, fibromas started to appear at the fingertips. The cases of three additional patients are described, with a similar combination of multiple digital fibromas, pigmented marks on the temporal region, and limb malformations. One of these patients has consanguineous parents. The clinical findings overlap partially with Gorlin-Goltz syndrome, which has been renamed by some authors "microphthalmia with linear skin defects" (MLS). Since the skin signs are clearly different, however-more like those of Setleis syndrome ("forceps mark" temporal dysplasia)-the patients described here seem to have a new combination of congenital malformations. Deletion of distal Xp, known to occur in some MLS patients, was not detected using cosmids in fluorescence in situ hybridization. This pattern of digital fibroma with congenital malformations seems to represent a new syndrome.

Abnormalities, Multiple↗
PubMed2001

Laurin-Sandrow syndrome with additional associated manifestations.

A Thai man with Laurin-Sandrow syndrome (LSS, MIM 135750), the ninth reported case, is described. He had an underdeveloped nasal bone, scar-like seams under the nose, large heads of mandibular condyles, and brachymesophalangy of toes as newly observed findings of the syndrome. He also had mental retardation. The patient had duplication of ulna, with triphalangeal thumbs, and polydactyly of one finger. The triphalangeal thumbs were non-opposable. Carpal bones were malformed. Mirror image polydactyly of the toes was present. There were nine toes on the right and eight on the left. Joint abnormalities were observed at his elbows, wrists, knees, ankles, fingers, and toes. Synostosis of severely malformed tarsal bones was noted. This appears to be the first case of LSS with anomalies not limited to the nose and limbs. The relationship between LSS, tibial hemimelia-polysyndactyly-triphalangeal thumbs syndrome, triphalangeal thumb-polysyndactyly syndrome, preaxial polydactyly types 2 and 3, and Haas-type syndactyly is discussed.

Abnormalities, Multiple↗
PubMed2000

Prenatal diagnosis of hypoparathyroidism retardation and dysmorphism (HRD) syndrome.

We used linkage analysis for prenatal diagnosis of the recently reported hypoparathyroidism, retardation, and dysmorphism (HRD) syndrome. Five cases from four families were evaluated. Three fetuses were carriers and were born healthy. Two fetuses were affected but the parents decided not to terminate the pregnancies. The diagnosis of HRD syndrome was confirmed in these newborns. This is the first report about prenatal diagnosis of HRD syndrome.

Abnormalities, Multiple↗
PubMed1983

Brief clinical report: two children with de novo del(9p).

We describe two patients with characteristic manifestations of the del(9p) syndrome. Among the prominent manifestation are moderate mental retardation, trigonocephaly, flat nasal bridge, anteverted nostrils, long philtrum, square and hyperconvex nails, and apparently long digits. The metacarpophalangeal pattern profiles of the patients showed that the clinical impression of long fingers may be due to relative shortness of the metacarpals rather than to elongation of the phalanges.

Abnormalities, Multiple↗
PubMed1986

Balanced double complex translocations [46,XX,t(1p;6p;7p;3q;11p)(11q;22p;21q)] in an infant with multiple congenital anomalies.

We describe a 1-month-old female infant with balanced double complex translocations [46,XX,t(1p;6p;7p;3q;11p) (11q;22p;21q)]. She had a multiple congenital anomalies syndrome of microcephaly, unilateral corneal staphyloma, hypoplastic thumbs, ectrodactyly of the right foot, brachydactyly of the left third toe, and syndactyly between the left fourth and the fifth toes. The complex chromosome rearrangements of the patient involve 8 breakpoints, the greatest number of breakpoints in complex chromosome rearrangements of humans known to us. The 8 breakpoints are 1p22, 3q27, 6p21, 7p15, 11p15, 11q11, 21q11, and 22p11. These are not related to any confirmed fragile sites. These double complex translocations seemed to have occurred de novo.

Abnormalities, Multiple↗
PubMed1987

Limb body wall complex: I. Pathogenesis.

Twenty-five fetuses with limb body wall complex (LBW complex) were evaluated. The diagnosis was based on two out of three of the following: exencephaly/encephalocele with facial clefts; thoraco- and/or abdominoschisis; and limb defect. Ninety-five percent (24/25) of the fetuses had associated internal structural defects. In 72% (18/25) the internal defects have been recognized as being secondary to vascular disruption. Concordance was not found between the side and location of the body wall defect versus the limb, internal, and cranial defects. In 85% there was evidence for persistence of the extraembryonic coelom by examination of the placenta. In this same group (85%) there was persistence of the ectodermal-amnion margin, with the amnion being continuous with the skin of the body wall defect. In 40% (10/25) there were tags and amniotic adhesions at other sites. There was no difference in the types or incidence of internal defects between those with and those without amniotic bands. The abnormalities in this collection and experimental animal models support vascular disruption during 4-6 weeks' gestation as an etiology for LBW complex. There is disruption and loss of existing tissues, persistence of embryonic structures, and secondary malformations. Persistence of the extraembryonic coelom may lead to the typical amniotic tags, ring constrictions, and adhesions seen in some specimens.

Abdominal Muscles↗
PubMed1987

Limb-body wall complex: II. Limb and spine defects.

Limb defects from 25 fetuses with limb-body wall (LBW) complex were evaluated to determine the mechanism of limb damage. The limb defects could be divided into 3 pathogenetic groups: (1) secondary to disruption of embryonic vessels and surrounding tissue (84%), (2) secondary to amniotic bands or adhesions (16%), and (3) deformation versus hemorrhage (44% with club feet), with some fetuses having more than one pathogenetic mechanism causing limb defects. The hypothesis that the majority of limb defects resulted from disruption of embryonic vessels was supported by the following findings: 96% of the LBW complex fetuses had limb defects; the lower limbs were at greater risk of damage than the upper limbs (28% rt arm, 52% lt arm, 60% rt leg, 72% lt leg); there was a distal to proximal progression of limb damage in 92% of the fetuses; statistical analysis of comparing the location of the most severe limb defect and the body wall defect did not find concordance between the side (p = 1.0) and the region (p = 0.18) of the body wall defect; and limb defects found in the human specimens were similar to those produced in experimental animals following disruption of embryonic vessels at a corresponding gestation. In the specimens with amniotic band related limb defects (16%), the most likely pathogenesis is mechanical rupture through the amnion in the presence of a persistent extraembryonic coelom or from adhesion of the amnion to necrotic embryonic tissue after the initial disruptive event. Club feet were present in 44% and may be due either to disruption of embryonic vessels or to deformation. Further studies are needed to resolve this question.

Abdominal Muscles↗
PubMed1988

Acrodysostosis: report of a 13-year-old boy with review of literature and metacarpophalangeal pattern profile analysis.

We report on a 13-yr-old boy with acrodysostosis, a review of 30 cases in the literature, and metacarpophalangeal pattern profile (MCPP) analysis. The prominent manifestations (present in greater than 75% of cases) of this condition include nasal and maxillary hypoplasia, peripheral dysostosis, first ray hyperplasia of the foot, acromesomelic brachymelia, decreased interpedicular distance, advanced skeletal maturation and mental retardation. Results of chromosome studies have been normal. An autosomal dominant inheritance pattern was reported in two families. Maternal and paternal ages were 2 and 3 yr, respectively, above the average age of the general parent population, which suggests that advanced parental age may be a factor in the cause of this condition. A characteristically abnormal MCPP was found in our patient and in 16 additional cases studied from the literature. A mean MCPP was developed for the syndrome. MCPP analysis may be useful as a diagnostic tool in patients suspected to have acrodysostosis.

Adolescent↗