Cases reported "osteochondrodysplasias"

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1/841. Chondrodiatasis in a patient with spondyloepimetaphyseal dysplasia using the ilizarov technique: successful correction of an angular deformity with ensuing ossification of a large metaphyseal lesion. A case report.

    Distraction through the physis (chondrodiatasis) is a controversial technique with unpredictable results. However, it has been used in the past for the lengthening and correction of angular deformities of long bones. We report the case of an 11-year-old patient with spondyloepimetaphyseal dysplasia (SEMD) who presented with a severe recurvatum deformity of the left proximal tibia secondary to collapse of the tibial plateau into a large metaphyseal cystic lesion. Using the chondrodiatasis technique with a percutaneously applied Ilizarov circular frame, we were able to correct this deformity. Surprisingly, healing and ossification of the metaphyseal lesion was simultaneously observed at the end of the treatment, a finding which, to the best of our knowledge, has not been previously reported. ( info)

2/841. Multiple disc herniations in spondyloepiphyseal dysplasia tarda. A case report.

    Spondyloepiphyseal dysplasia (SED) tarda is a group of inherited dysplasias in which the spine and the epiphyses of long bones are affected from late childhood. A 19-year-old male was diagnosed as SED tarda. He had a thoracic and then lumbar disc herniations which were separated by a 4-year interval. Surgical excision was performed for each disc herniation. This is the first case report of multiple disc herniations in SED. ( info)

3/841. Homologous bone graft for expansion thoracoplasty in Jeune's asphyxiating thoracic dystrophy.

    adult tibial shaft from a bone graft bank was used as a solid homologous bone graft for midsternal expansion thoracoplasty in an infant with Jeune's asphyxiating thoracic dystrophy. The technique appeared successful, but the child grew out of her chest in her second year of life. Expansion thoracoplasty for Jeune's disease probably should only be reserved for children who survive their first year of life without major surgery. ( info)

4/841. Unusual fan shaped ossification in a female fetus with radiological features of boomerang dysplasia.

    We report on a female fetus of 24 weeks whose clinical and radiological findings were compatible with boomerang dysplasia (BD). However, histopathology was unusual with a lateral fan shaped diaphyseal ossification. This has never been described either in typical atelosteogenesis I (AT-I) or in BD. The purpose of this report is to find out if this condition is a separate lethal bone dysplasia or another histological feature of the nosological group of AT-I and BD. ( info)

5/841. A new syndrome of spondyloepimetaphyseal dysplasia, eczema and hypogammaglobulinaemia.

    We describe a female infant with a combination of very short stature, severe eczema and igg deficiency causing recurrent infections in infancy. The radiological features of this condition are presented in the neonatal period, at the age of 5 months and at 2 years and 6 months. We propose that this condition is a previously undescribed type of spondyloepimetaphyseal dysplasia. ( info)

6/841. recurrence of fibrochondrogenesis in a consanguineous family.

    A second case of fibrochrondrogenesis in a consanguineous family is described. The fact that both sexes are affected in this family supports autosomal recessive inheritance. ( info)

7/841. achondroplasia-hypochondroplasia complex in a newborn infant.

    We describe the case of an 8-month-old girl with achondroplasia-hypochondroplasia complex. The diagnosis was suggested antenatally when obstetrical ultrasonography at 27 weeks of gestation showed short limbs, small chest, and macrocephaly. The father has achondroplasia due to the common G1138A (G380R) mutation in the fibroblast growth factor receptor 3 (FGFR3) gene, while the mother has hypochondroplasia due to the C1620G (N450K) mutation in the FGFR3 gene. Neither had had genetic counseling or molecular testing prior to the pregnancy. Antenatal ultrasound study at 29 weeks of gestation showed a large head, very short limbs, and a small chest; the findings were more severe than in achondroplasia or hypochondroplasia alone. The patient was born by cesarean section at 37 weeks of gestation and had rhizomelic shortness of limbs with excess skin creases, large head, and small chest, diagnostic of achondroplasia. Radiographs showed shortness of the long bones and flaring of the metaphyses. She had mild hypoplasia of lungs. Molecular testing showed both the G1138A and the C1620G mutations in FGFR3, confirming the diagnosis of achondroplasia-hypochondroplasia complex. At 8 months, she has disproportionate shortness of the long bones and a large head with frontal bossing and a depressed nasal bridge. Her chest remains small, and she is on home oxygen at times of respiratory stress. She has a large gibbus. She is delayed in her motor development and has significant head lag. To our knowledge, there is only one previously published report of achondroplasia-hypochondroplasia complex. ( info)

8/841. Compound heterozygosity for the achondroplasia-hypochondroplasia FGFR3 mutations: prenatal diagnosis and postnatal outcome.

    We report on a male newborn infant, a compound carrier of heterozygous mutations in the FGFR3 gene causing achondroplasia and hypochondroplasia. The mother has achondroplasia and carries the common G1138 (G380R) mutation in the FGFR3 gene; the father has hypochondroplasia due to the C1620A (N540K) mutation in the same gene. The fetus was found to carry both mutations diagnosed prenatally by amniocentesis at 17.6 weeks of gestation, following maternal serum screening which showed an increased risk for down syndrome (1:337). Detailed fetal ultrasound studies showed a large head, short limbs, and a small chest at 22 weeks of gestation. The changes were more severe than those of either achondroplasia or hypochondroplasia. The patient was born by cesarean section at 38 weeks of gestation and had rhizomelic shortness of the upper and lower limbs with excess skin folds, large head, enlarged fontanelles, frontal bossing, lumbar gibbus, trident position of the fingers, and a narrow chest with a horizontal line of demarcation at the narrowest area of the chest. Skeletal radiographs showed shortness of the long bones and flare of metaphyses. He had respiratory difficulties and was treated with nasal prongs. seizures developed on day 2 of life and recurred on day 9 and responded to treatment with phenobarbital. brain computed tomographic scan showed possible grey matter heterotopia, partial agenesis of the corpus callosum, and cortical dysplasia. To our knowledge, there are only two previously published cases of compound heterozygous achondroplasia-hypochondroplasia patients. The diagnosis was confirmed by dna mutation analysis of the FGFR3 gene in both cases. ( info)

9/841. pseudotumor cerebri in children receiving recombinant human growth hormone.

    PURPOSE: This article represents the first report in the ophthalmology literature of an association between pseudotumor cerebri (PTC) and recombinant human growth hormone (rhGH). DESIGN: Noncomparative case series. PARTICIPANTS: Three children receiving rhGH for short stature with turner syndrome, Jeune syndrome, or down syndrome. methods: Children underwent full ocular examination. After papilledema was identified, patients underwent lumbar puncture and imaging with either magnetic resonance imaging or computerized tomography. Treatment was under the guidance of the primary physician or neurosurgeon. The rhGH was discontinued in all children. MAIN OUTCOME MEASURES: visual acuity and evaluation of the optic nerve for resolution of papilledema were followed at each examination. RESULTS: In all three cases, papilledema resolved with the cessation of rhGH, and treatment with acetazolamide or prednisone. visual acuity was unchanged in case 1, decreased by two to three lines in case 2, and was inconsistent in case 3. One child (case 2) required a ventriculoperitoneal shunt for persistent elevation of intracranial pressure. CONCLUSION: There appears to be a causal relationship between the initiation of rhGH with the development of PTC. Children should have a complete ophthalmic evaluation if they report headache or visual disturbances. Baseline examination with routine follow-up should be instituted when children cannot adequately communicate. ( info)

10/841. Dysplasia epiphysealis hemimelica of the scaphoid bone.

    We report a rare case of dysplasia epiphysealis hemimelica (DEH) in the wrist of a 7-year-old boy. Clinical, radiological and histopathological manifestations are discussed. The correct diagnosis of DEH, however, was made by the confrontation of the radiological and pathological data. The radiologist should inform the pathologist correctly about the imaging findings in order to avoid misdiagnosis of the lesion as osteochondroma. ( info)
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