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Clinical neurophysiology Contemporary neurology series volume 46 Edited by J. R

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chapter including a particularly lucid introduction to genetics
and chromosomal aberrations.
In the chapters that follow, the authors discuss an enormous number of brain malformations, both common and
uncommon. In addition, they discuss some malformations
of the skull, meninges, and blood vessels, as well as some
destructive lesions that are acquired both prenatally and perinatally. The discussions of pathology and genetics are almost
uniformly excellent and the discussion of the clinical manifestations are short but excellent. I found the discussion of
imaging findings, although generally good, to be somewhat
underrepresented and occasionally dated, however. For example, in discussing the radiology of Sturge-Weber syndrome, the authors discuss only cortical calcification and
make no mention of the characteristic pial enhancement on
magnetic resonance imaging, a finding that allows definitive
diagnosis before calcifications develop.
The authors are to be particularly commended for their
possibly controversial, but very rational, analysis of several
“syndromes,” such as septo-optic dysplasia, Joubert syndrome, and Mobius syndrome. These disorders, they point
out, are often described as having variable clinical symptoms,
radiologic appearance, or morphologic appearances. The authors note that, as the terms are presently used, these are
not single, precisely defined entities; perhaps, the authors
suggest, these disorders should be reexamined and reclassified. Another unconventional, but entirely justified, classification was classification of the Chiari I malformation in an
entirely different group from the Chiari I1 malformation. As
these examples illustrate, the authors put a great deal of
thought into how these disorders develop and their interrelationships; this careful analysis is manifest repeatedly throughout the book.
Overall, this is a superb book and a ‘‘must read” for any
physician who deals with developmental malformations of
the brain on a regular basis or who is interested in normal
and abnormal brain development. Two other similar books
are available: Reinhard Friede’s Developentul Neuropatbology and Harvey Sarnat’s Cerebral Dysgenesis. The book differs
from Friede’s text in that it includes far more embryology,
genetics, and clinical information and is more up to date;
however, Friede’s book covers inborn errors of metabolism
and destructive lesions much more completely. Although this
book covers essentially the same material as Sarnat’s text, the
books differ greatly in attitude. After reading Sarnat’s book,
one would conclude that everyrhing is known; the book by
Norman and colleagues emphasizes the limitations of our
classifications and knowledge while allowing us to share some
of the wonders of these malformations. In addition, probably
because the authors come from several different disciplines,
the book by Normal and colleagues is free of the many factual mistakes that mar Sarnat’s otherwise excellent text.
Overall, Congenital Mulformutions of the Bruin by Norman
and colleagues is a superb book and is highly recommended.
‘This concise, clearly written, and generously illustrated textbook on applied electrophysiology comes from the staff of
the Mayo Clinic and provides an authoritative introduction
to the subject that will be of value to trainees in the field.
The book is divided into three sections. An initial section
is concerned with basic technical aspects of the subject, and
is particularly useful because it discusses topics that are often
neglected in more comprehensive textbooks. The second and
largest section covers individual techniques for assessing different systems or components of the nervous system. The
depth to which different topics are explored, however, is
somewhat uneven. For example, there are 33 pages devoted
to the evaluation of autonomic function, but only four pages
on ambulatory electroencephalography, five pages on prolonged video-electroencephalography, nine pages on visual
evoked potentials, one page on all aspects of brain death,
and no coverage at all on the electroretinogram. Clearly,
then, only a general introduction has been provided to certain topics, while others are covered more comprehensively.
Moreover, certain applications of electrophysiological techniques that are controversial or of uncertain utility, such as
electroencephalographic monitoring during carotid endartetectomy or cardiac surgery, and somatosensory evoked potential monitoring during spinal surgery, are discussed at length
without any justification being provided for these applications. The final, brief section of this book summarizes the
use of neurophysiological techniques in assessing symptom
complexes and provides test algorithms for the evaluation of
patients with different neuromuscular disorders. Such algorithms are useful guidelines, but it is important for readers
to appreciate that clinical circumstances will mandate modifications in individual cases.
Despite these minor limitations, this is a useful book that
will be of particular value to general neurologists and to
trainees in clinical neurophysiology who are seeking an introductory text or primer on the subject. Those specializing in
the field will require a more comprehensive and focused account that can be obtained from various larger textbooks
and other sources. D r Daube and his colleagues are to be congratulated on their contribution to the literature, which adds
to the tradition for excellence in clinical neurophysiology that
has justifiably been earned by the staff of the Mayo Clinic.
Michael J. Amino8 MD, FRCP
Universig of Culiforniu, Sun Francisco
Sun Francisco, CA
Correction
In a review of Merrittk Textbook of Neurolon in the February
1996 issue (Ann Neurol 1996;39:280), it was incorrectly
stated that Principles of Clinicul Neurology by R. D. Adams
and M. Victor contains no mention of Rasmussen’s encephalitis. That condition is, in fact, discussed on page 654 of the
5th Edition. Our apologies to Drs Adams and Victor for
this oversight.
A. jumes Barkovicb, MD
Sun Francisco, CA
688 Annals of Neurology Vol 39
Clinical Neurophysiology: Contemporary Neurology
Series, Volume 46
Edited by J. R. Duube, Philadelphia, FA Duvis, 1996
533 pp, illustrated, $150
No 5
May 1996
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