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      Congenital contractures and distinctive phenotypic features consistent with Stuve-Wiedmann syndrome in a male infant

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          Abstract

          Introduction

          Expressionless face associated with multiple contractures has been encountered in an infant. There is a wide range of misconception regarding the categorization of children with multiple contractures among different pediatric disciplines. The fundamental element in categorizing children with multiple contractures is "the etiological understanding". In the absence of concomitant neuromuscular disease, however, the search for other reasons is mandatory. Our present paper signifies the necessity of proper interpretations of unusual clinical and radiographic features.

          Case presentation

          We describe a 3-months-old-infant presented with the phenotypic and the radiographic features consistent with the diagnosis of Stüve-Wiedemann syndrome. We report what might be the first clinical report of Stüve-Wiedemann syndrome from a consanguineous family in Austria.

          Conclusion

          Congenital limitations of the hips in a newborn infant raise the possibility of " Congenital Hip Dislocation". As congenital hip dislocation is a dysplastic process. Here further knowledge by the pediatrician and the orthopaedic surgeon is needed. Our present patient appears to constitute a distinct pathological entity consistent with Stüve-Wiedemann syndrome (SWS). Superti-Furga et al, and Cormier-Daire et al, also suggest that Stüve-Wiedemann syndrome and Schwartz-Jampel syndrome type 2 are allelic conditions. We wish to stress that, given the rarity of syndromic malformation complex, our impression is that it is more common than it is reported.

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          Most cited references14

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          Null leukemia inhibitory factor receptor (LIFR) mutations in Stuve-Wiedemann/Schwartz-Jampel type 2 syndrome.

          Stuve-Wiedemann syndrome (SWS) is a severe autosomal recessive condition characterized by bowing of the long bones, with cortical thickening, flared metaphyses with coarsened trabecular pattern, camptodactyly, respiratory distress, feeding difficulties, and hyperthermic episodes responsible for early lethality. Clinical overlap with Schwartz-Jampel type 2 syndrome (SJS2) has suggested that SWS and SJS2 could be allelic disorders. Through studying a series of 19 families with SWS/SJS2, we have mapped the disease gene to chromosome 5p13.1 at locus D5S418 (Zmax=10.66 at theta =0) and have identified null mutations in the leukemia inhibitory factor receptor (LIFR or gp190 chain) gene. A total of 14 distinct mutations were identified in the 19 families. An identical frameshift insertion (653_654insT) was identified in families from the United Arab Emirates, suggesting a founder effect in that region. It is interesting that 12/14 mutations predicted premature termination of translation. Functional studies indicated that these mutations alter the stability of LIFR messenger RNA transcripts, resulting in the absence of the LIFR protein and in the impairment of the JAK/STAT3 signaling pathway in patient cells. We conclude, therefore, that SWS and SJS2 represent a single clinically and genetically homogeneous condition due to null mutations in the LIFR gene on chromosome 5p13.
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            Long-term survival in Stuve-Wiedemann syndrome: a neuro-myo-skeletal disorder with manifestations of dysautonomia.

            Stuve-Wiedemann syndrome (SWS) is a multiple congenital anomalies syndrome mostly considered to have an early lethality. Only few patients have been reported with long survival; therefore, the clinical phenotype with age has not yet been clearly characterized. We report on two patients with SWS aged 12 and 3 years who have both the osteodysplastic symptoms of the entity as well as autonomic nervous system symptoms resembling familial dysautonomia: lack of corneal reflex and neuropathic keratitis, absence of fungiform papillae, ulcerations of the tongue, paradoxical sweating at low temperature, patellar hyporeflexia, and progressive scoliosis. The clinical and radiological similarities between patients with SWS and patients with Schwartz-Jampel syndrome have led to the suggestion that these two syndromes are a single entity. SWS and Schwartz-Jampel syndrome type II are now indeed considered to be identical, but the radiographic phenotype of SWS long survivors such as the presently reported patients justifies the distinction between SWS and the classical type of Schwartz-Jampel syndrome. An increased number of lipid droplets in muscle fibers and decreased muscle mitochondrial enzyme activities have been found in one patient, confirming a previously reported association between SWS and respiratory chain abnormalities. Copyright 2003 Wiley-Liss, Inc.
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              Stüve-Wiedemann syndrome in children surviving infancy: clinical and radiological features.

              We report three children from two inbred Arab families with Stüve-Wiedemann syndrome who have survived the first year of life (ages are 6 years, 2.8 years and 2 years). All exhibited a characteristic phenotype resembling that described by Chen et al.[(2001). Am J Med Genet 101:240-245]. In all three children the skeletal abnormalities progressed to severe bowing of the long bones with prominent joints and severe spinal deformity. Neurological symptoms were present in all of them. These included temperature instability with excessive sweating, reduced pain sensation with repeated injury to the tongue and limbs, absent corneal reflexes and a smooth tongue. Mentality was normal in all of them. Radiological changes included under tubulation of the diaphyses, rarefaction and striation of metaphyses, destruction of the femoral heads and spinal deformity. We confirm that survival in this syndrome is possible and that the prognosis improves after the first year of life. This should be taken into consideration when counselling parents of affected children. This report further supports the existence of a characteristic phenotype in Stüve-Wiedemann syndrome survivors which include, in addition to the skeletal abnormalities and distinctive radiological features, neurological symptoms reminiscent of dysautonomia.
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                Author and article information

                Journal
                Cases J
                Cases Journal
                BioMed Central
                1757-1626
                2008
                21 August 2008
                : 1
                : 121
                Affiliations
                [1 ]Ludwig Boltzmann Institute of Osteology, at the Hanusch Hospital of WGKK and, AUVA Trauma Centre Meidling, 4th Medical Department, Hanusch Hospital, Vienna, Austria
                [2 ]Orthopaedic Hospital of Speising, Paediatric Department, Vienna, Austria
                Article
                1757-1626-1-121
                10.1186/1757-1626-1-121
                2533000
                18718019
                670636f0-fe1b-4034-9f9d-fdd2accf5a28
                Copyright © 2008 Al Kaissi et al; licensee BioMed Central Ltd.

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 17 July 2008
                : 21 August 2008
                Categories
                Case Report

                Medicine
                Medicine

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