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In 1969, Herrmann and Opitz described a syndrome of acrocephaly, oligosyndactyly, hypertelorism, and mental retardation. We report on a second case, a fetus with cleft palate, urethral astresia, oligohydramnios, and intrauterine death.
Carpenter syndrome (ACPS type II) was first described by Carpenter in 1901. The syndrome consists of acrocephaly, soft tissue syndactyly, brachy- or agenesis mesophalangy of the hands and feet, preaxial polydactyly, congenital heart disease, mental retardation, hypogenitalism, obesity, and umbilical hernia. Here we review the literature on Carpenter syndrome and add 2 affected sibs with marked intrafamilial variability. This review showed that 2 reported variations of Carpenter syndrome, Goodman and Summitt syndromes, actually fall within the clinical spectrum of this disorder. This confirms earlier suggestions of Gorlin (personal communication 1982) and Hall et al [Am J Med Genet 5:423-434, 1980].
Two sisters born to consanguineous parents had a syndrome of short stature, acrocephaly, hypertelorism, proptosis, ptosis, down-slanting palpebral fissures, high nose bridge and anteverted nares, short philtrum, cleft palate, micrognathia, abnormal external ears, preauricular pits, sensorineural and conductive deafness, proximally placed first toes and digitalized thumbs, bulbous digits, metatarsus adductus, and pectus excavatum. Radiological abnormalities included craniosynostosis, increased mandibular angle and antegonial notching of mandible; hypoplastic first metacarpals and metatarsals; hypoplastic distal phalanges; partial duplication of the distal phalanx of the thumb; malformed malleus and incus; tall lumbar vertebrae, increased interpedicular distance, and posterior scalloping; flared iliac wings, narrow supraacetabular regions, acetabular "dysplasia," and coxa valga. Autosomal recessive inheritance is suggested.
A mother affected with Apert's syndrome was diagnosed by ultrasound scan at 16-17 weeks to have a fetus similarly affected. The typical features of acrocephaly and symmetrical syndactyly were seen. This is probably the first time that this condition has been diagnosed at such a gestation by ultrasound scan. The patient decided to continue the pregnancy, and intrauterine death occurred at 34 weeks. The diagnosis was confirmed by pathological examination.
Apert (1906) was the first to identify a syndrome characterized by the association of acrocephaly with syndactyly, acrocephalosyndactylism. Since then Apert syndrome has been recognized as a clinical entity. Although hydrocephalus was rarely reported as an associated malformation, it was suggested that hydrocephalus might be responsible for mental retardation in some cases of Apert syndrome. We report a case of Apert syndrome presenting as fetal hydrocephaly at 28 weeks gestational age, and we review the literature. We suggest that hydrocephalus should be considered as a major associated malformation, and a complete evaluation with sonogram and computed tomography scan is recommended in any newborn suspected of having Apert syndrome after routine cephalometric measurement.
A morphological analysis of the corpus callosum has been carried out in an MRI study of 34 children with malformative syndromes and 35 normal children. We used a new morphometric method based on measurement of five specific angles. Values outside the range of normality have been found in patients with malformations of the skull, including turricephaly, acrocephaly and frontonasal dysplasia. The results have confirmed the reliability of this method for study of the conformation of the corpus callosum and of its topographical relations with the other cerebral structures.
A 14-year-old boy with conduction hearing loss, acrocephaly, minimum syndactyly, broad thumbs and big toes is classified as being affected with a form of acrocephalosyndactyly, termed Pfeiffer's syndrome (McK+10160) [12]. It is the first case of this syndrome presented in the otorhinolaryngological literature. During exploratory tympanotomy, the ossicular chain was found to be fixed. The incus seemed to be fixed in the epitympanum and there was ankylosis of the stapes. After antrotomy during a first stage, stapedectomy and teflon interposition during a second stage the air-bone gap disappeared. Multidirectional polytomography of the inner ear, performed preoperatively, was normal with the exception of a markedly local bilateral dilatation of the internal acoustic meatus. Although this case is a sporadic one, the mode of inheritance of this syndrome is autosomal dominant.
Carpenter syndrome (Acrocephalopolysyndactyly type II), first described in 1901, consists of acrocephaly, syndactyly, polydactyly, congenital heart disease, mental retardation, hypogenitalism, cryptorchidism, obesity, umbilical hernia and bony abnormalities. We report a 6 years old boy presenting as a union of these malformations and also having bilateral sensorineural hearing loss. Auditory disturbances are not common among Carpenter syndrome patients. According to our knowledge, this is the first Carpenter syndrome case whose hearing loss is demonstrated by auditory brainstem response (ABR) test.
A family is described in which 15 persons in five generations are affected with a complex of skeletal malformations which variably includes peculiar asymmetric facies, delayed closure of large fontanels, brachycephaly, acrocephaly, brachydactyly, cutaneous syndactyly, broad great toes, and mild shortness of stature. Although craniosynostosis is either lacking or relatively mild in the members of this family, their features are otherwise strikingly similar to those of patients with the Saethre-Chotzen syndrome. We believe the findings in this family indicate that the Saethre-Chotzen syndrome comprises a broad pattern of carniofacial and other skeletal malformations in which craniosynostosis may sometimes occur.
This report presents five cases of Apert's syndrome with features of acrocephaly, characteristic face and complete syndactyly of the hand and foot with bony fusion. Three cases out of five showed preaxial polydactylies of the foot, considered to be one of the characteristic features of Carpenter's syndrome. In the remaining two cases, the first digital ray of the foot was broad and deformed. In addition one case had a postaxial polydactyly of the hand. Three cases showed severe deformity of the shoulder; two had dysplasia and one had synchondrosis of the glenohumeral joint. On the basis of our findings in this, we feel that there is much phenotypic overlap between Apert's and Carpenter's syndrome. A polydactylous presentation of the hand and foot can be found in not a few cases of Apert's syndrome and it is not always an exclusive feature of Carpenter's syndrome.
Autosomal recessive osteopetrosis is a rare congenital disorder characterized by the development of abnormally dense bones, acrocephaly, severe anemia, hepatosplenomegaly and progressive deafness and blindness. The clinical course is rapidly progressive and is lethal at a very young age in the absence of a bone marrow transplant. The failure to remodel developing bone that is the basis of the disease process is most likely due to a dysfunction of the bone resorptive cell, the osteoclast. This phenotype is similar to that of the murine mutation osteosclerosis (oc), which is localized to proximal mouse chromosome 19. Given the similarity between the human and murine phenotypes, we tested whether human osteopetrosis maps to a region of conserved synteny. Microsatellite markers in the region of 11q12-13 were found to be linked to osteopetrosis in two consanguineous Bedouin kindreds. Recombination events were used to define the disease interval to an approximately 14 cM region between D11S1983 and D11S2371. A maximum LOD score of 7. 94 was obtained with D11S449 at straight theta = 0.
We report a 16-year-old boy with multiple craniofacial and skeletal dysmorphic features including brachycephaly, acrocephaly, hypertelorism, wide palpebral fissures, broad nose, anteverted nares, broad columella, long and smooth philtrum, thin upper lip, macrostomia, carp-like mouth, micrognathia, low-set and posteriorly angulated ears with small and abnormal pinnae, a low posterior hairline, a short neck, hypoplastic and widely-spaced nipples, multiple severe pterygia, an umbilical hernia, metatarsus varus, low implantation of the halluces, and delayed motor and language development. An MRI of the head showed bilateral frontal pachygyria but no sign of heterotopia. The unique features of our patient suggest that he represents a new syndrome.
A previously reported patient with trisomy for the distal part of 6q was shown by R-banding to be trisomic for 6q26qter, due to a t(6;22)(q26;p12) mat. Altogether nine patients with 6qter trisomy have been reported. The main features of the 6qter trisomy syndrome are: severe mental and growth retardation; acrocephaly and brachycephaly; a carp-shaped mouth; micrognathia; a very short neck with unusual anterior webbing; joint contractures; the absence of severe inner organ malformations; and survival into adulthood.
A 5-year-old boy and his father with Pfeiffer syndrome are described. They had acrocephaly, hypertelorism, antimongoloid slant of the palpebral fissures, protrusion of the eyes, large and broad nose, small mandible, irregularly placed teeth, additional upper canine, high-arched palate, partial syndactyly of fingers and toes, brachydactyly of toes, valgus deformity of hypertrophied triangular great toes, broad phalanges of the great toes and broad first metatarsals, accessory epiphyses lateral to the interphalangeal joint of the great toes, and normal intelligence. To our knowledge, this is the first family in which the syndrome is almost totally confined to the head and feet--it spares the upper limbs except for partial skin syndactyly between the fingers--and the third family showing inheritance through three successive generations suggesting an autosomal dominant mode of inheritance. The published papers are reviewed and the clinical and x-ray signs are tabulated.
Here we report on a patient with findings of acrocephaly, craniosynostosis, low frontal hairline, ptosis of eyelids, deviated nasal septum, broad great toes, moderate hallux valgus, bilateral symmetrical complete soft tissue syndactyly of toes 2 and 3, and partial soft tissue syndactyly of toes 4 and 5 consistent with the diagnosis of Saethre-Chotzen syndrome. Additionally, the patient had some unusual findings as part of generalized dysfunction of the renal tubules including hypophosphatemia with renal phosphate wasting, normocalcemic hypercalciuria, hypomagnesemia with renal magnesium wasting, low-molecular-weight proteinuria, decreased serum PTH levels, osteopenia, and nephrolithiasis. In the light of these findings, the diagnosis of incomplete renal Fanconi syndrome was made. In conclusion, on the basis of the present findings, it is difficult to say whether renal tubular dysfunction are somehow connected to the Saethre-Chotzen syndrome or not. Therefore, we consider that this is probably just a coincident. However, further studies may show the connection between renal tubular dysfunction and Saethre-Chotzen syndrome.
Acrocephalosyndactyly (Apert syndrome) is a rare craniosynostotic syndrome characterized by acrocephaly, syndactyly of the hands and feet, and--occasionally--conductive hearing loss. We report three cases of conductive hearing loss in Apert syndrome. One patient was found to have bilateral stapes fixation. His daughter (the second case) had chronic bilateral otitis media with effusion. The third case involved a fixed incus and hypomobile stapes. The management of these patients and a review of the literature are presented.
Apert syndrome is a rare congenital anomaly characterized by acrocephaly, syndactyly, and abnormalities of other organs. It has characteristic features in the orofacial region, affecting the eyes, palate, middle third of face, and uvula. In this case report, the features of Apert syndrome, particularly in relation to the orofacial region, are discussed.
OBJECTIVE: Apert syndrome is one of the five craniosynostosis syndromes caused by allelic mutations of the fibroblast growth-factor receptor 2 (FGFR2). It is characterized by symmetrical cutaneous and bony syndactyly of the hands and feet and a variety of pleiotrophic features of the skeleton, central nervous system, skin and internal organs. PATIENTS AND METHODS: We show the clinical and epidemiological characteristics of the 17 cases of Apert syndrome identified in a consecutive series of 26,956 malformed liveborn infants detected among 1,502,639 livebirths surveyed by the Spanish Collaborative Study of Congenital Malformations (CEMC) between April 1976 and March 1998. RESULTS AND CONCLUSIONS: The estimated frequency of Apert syndrome in Spain is 0.11 per 10,000 liveborn infants. All of the cases were sporadic and were associated with an increased paternal age. The clinical manifestations of our cases are concordant with the variable expression of the syndrome, with the cardinal features of acrocephaly secondary to craniosynostosis and syndactyly of hands and feet present in all cases, and other anomalies, including cardiovascular (23.5%), cleft palate (23.5%), urinary (5.9%) and central nervous system (5.9%), in some of the patients.