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n CME : Your SA Journal of CPD - Neurodiagnostic imaging : main article

Volume 24, Issue 6
  • ISSN : 0256-2170
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Abstract

The choice of imaging modality depends on the cost, availability, expertise, side-effects, sensitivity, specificity and accuracy of a particular test. <BR>The importance of relevant clinical data in imaging cannot be over-emphasised. Clinical details are extremely important, both in tailoring the examination to obtain the maximum amount of information and in interpreting the study. <BR>The paediatric skull differs from the adult skull as it is in a constant state of development and change. <BR>X-rays of the spine are essential in all cases of suspected trauma. in children, vertebral abnormalities and spina bifida are assessed on X-ray. <BR>In adults with lower-back pain (LBP), X-rays are the first line of investigation. <BR>In premature neonates ultrasound is primarily aimed at identifying haemorrhages and features of hypoxic ischaemic damage. <BR>Ultrasound in adults is used to assess the major vessels of the neck in cases of hypertension, diabetes, TIAs and stroke. <BR>CT has improved tremendously in the last few years with the advent of MSCT. <BR>MRI uses strong magnetic fields and radiofrequency pulses to generate sectional images of the body in any plane. <BR>Cranial aneurysms, fistulas, and arteriovenous malformations can be managed percutaneously using coils, detachable balloons, or embolic materials. <BR>CT is often the second line of investigation after plain-film radiography in the trauma setting. <BR>CT is still the first line of call in patients with stroke, followed by MRI. <BR>Imaging intracranial masses depends on the suspected location and clinical presentation of the mass. <BR>MRI is undoubtedly the gold standard in evaluating demyelinating conditions.

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/content/m_cme/24/6/EJC63151
2006-06-01
2016-12-10

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