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Biomedical subjects

C Fauré

Publications and source records attributed to C Fauré.

At least 19 recordsLinked to original sources

[Responses of medical imaging in battered children. The Silverman-Ambroise Tardieu syndrome].

Imaging procedures offer an important contribution to the syndrome of the abused child that F.N. Silverman himself proposes to call the Ambroise Tardieu syndrome. First they disclose and analyse the lesions which may involve bones, encephalon or spinal cord, viscera, soft tissues. Then they must answer four questions: Traumatic lesion or normal variant? If traumatic, are there arguments pointing to abuse, for instance multiple bone lesions of different ages and more specifically fractures of ribs, clavicle, spine, pelvis, phalanxes? Is there a possibility of a general disease explaining such traumatic lesions? Etiologies are revised including sensibility deficits. Finally are the bad treatments inflicted with an intention of hurting, injuring or destroying? The answer results of a discussion with clinicians and social interveners but some lesions, as phalanx fractures, may be determining. In this situation that involves the vital prognosis and may induce severe sequellae the imaging strategy, fully described, is of paramount importance.

Battered Child Syndrome

Rational use of diagnostic imaging in paediatrics. The report of a World Health Organization Study Group.

The World Health Organization (WHO) is the agency of the United Nations with primary responsibility for international health matters and public health. Through the exchange of the knowledge and experience of health professionals from 165 nations WHO promotes comprehensive health services worldwide. As a part of this effort WHO has in recent years been concerned with improving the availability and utilization of diagnostic imaging, especially as it relates to health services in developing countries. Having devised and specified suitable basic radiographic equipment (the WHO BRS) a WHO Scientific Group was convened in 1982 to study the utilization of radiographic procedures and to to recommend their more efficacious and rational use. Then in 1984, recognizing the implications of newer imaging technology on world health, a second WHO Scientific Group considered the design, impact and future use of ultrasonography and computed tomography in developing countries. The findings of these scientific groups were published as part of the WHO Technical Report Series which makes available the recommendations of such international groups of experts. Although some of the needs of children were considered in these previous Technical Reports, WHO felt that the size and socioeconomic importance of the paediatric population worldwide warranted a further study and report to address the particular technical and clinical problems of diagnostic imaging in the paediatric age group. Thus a third WHO Scientific Group met in Geneva from 18 to 24 November 1985 to review established practices and experience in paediatric imaging throughout the world; and to recommend rational guidelines for diagnostic imaging for children to age 14 years.(ABSTRACT TRUNCATED AT 250 WORDS)

Child

[Calcification of the umbilical artery in small infants].

The practice of systematic X ray screening for congenital dislocation of the hip leads to the discovery of a somewhat rare anomaly: the calcification of the vestigial segment of the umbilical artery. The authors describe 6 cases of this peculiar condition of which the diagnosis is easy and does not necessitate any complementary investigation. This finding has no pathological significance; this condition must be considered as a normal variant.

Calcinosis

[Cartilaginous forms of Jaffé-Lichtenstein fibrous dysplasia].

Radiologic images suggestive of chondroma may be observed in polyostotic or mono-osteotic fibrous dysplasia and were detected in 11 out of 27 patients with the polyostotic form and 1 out of 7 with the mono-osteotic form. Histology in some cases showed cartilaginous tissue foci suggestive of an isolated chondroma or Ollier's disease. Pathogenicity of these cartilaginous lesions and relations between Ollier's chondrodysplasia and fibrous dysplasia are discussed.

Adolescent

[Disk calcifications in children].

It is not unusual for intervertebral disk calcifications to be detected in pediatric practice, the 150 or so cases reported in the literature probably representing only a small proportion of lesions actually diagnosed. Case reports of 33 children with intervertebral disk calcifications were analyzed. In the majority of these patients (31 of 33) a diagnosis of "idiopathic" calcifications had been made, the cervical localization of the lesions being related to repeated ORL infections and/or trauma. A pre-existing pathologic factor was found in two cases (one child with juvenile rheumatoid arthritis treated by corticoids and one child with Williams and Van Beuren's syndrome). An uncomplicated course was noted in 31 cases, the symptomatology (pain, spinal stiffness and febricula) improving after several days. Complications developed in two cases: one child had very disabling dysphagia due to an anteriorly protruding cervical herniated disc and surgery was necessary; the other child developed cervicobrachial neuralgia due to herniated disc protrusion into the cervical spinal canal, but symptoms regressed within several days although calcifications persisted unaltered. These findings and the course of the rare complications documented in the literature suggest the need for the most conservative treatment possible in cases of disc calcifications in children.

Adolescent

Cost-benefit evaluation of systematic radiological diagnosis of congenital dislocated hip.

The question of radiological mass screening for congenital dislocated hip is still debated. We have tried to evaluate the cost-benefit ratio of radiological detection at the age of 3-4 months, taking into account the socio-economic cost and radiation risk. Assuming a frequency of this disorder of 1% the average cost of treatment of one case detected by X-ray screening at the age of 3-4 months, including the price of X-ray examinations of 99 normal babies, is 23,374 FF. The average cost of treatment of a case detected when walking (i.e. after 9 months) is 84,230 FF. The cost-benefit ratio is 3.6. In countries where the frequency reaches 2% the cost benefit ratio is 4.57. It also appears from our study that the irradiation of the patient is much smaller when the diagnosis is made earlier. Comparing the slight irradiation delivered to normal infants by this mass screening to the heavy irradiation received by a few individuals whose treatment is started after 9 months, the calculated risk of leukemia or of genetic disorder for the whole population still favours a systematic X-ray film of the pelvis at age 3-4 months. However, if it were decided to make obligatory this mass radiological detection programme during the fourth month of life, this would necessitate a serious effort to train all radiologists to obtain adequate films with the best radiation protection.

Cost-Benefit Analysis

Calcification associated with terminal defects of the upper extremity.

Four children who had calcifications associated with terminal defects of the upper extremity are reported. A review of the literature has revealed no previous report. Moreover, an examination of the radiographs of 65 children who had terminal defects of the upper limb failed to show any such calcifications. The exact cause of this association remains unknown.

Arm

[Radiologic investigative technics].

The authors in a first part of their contribution indicate the various types of imaging investigations which can be used by the radiologist: Conventional radiographs og the thorax; Conventional complementary examinations: esophagogram, conventional tomography, tracheo-bronchography, angiography, pulmonary scintigraphies; Modern complementary investigations: CT echography, digitalized angiography, magnetic resonance imaging. In the second part of this article the authors explain which are the most appropriate procedures for every type of tracheal and/or bronchial malformation.

Angiocardiography