Localisation of Foreign Bodies by X Rays
نویسنده
چکیده
plate, and by reproducing mechanically, by means of silk threads, the course of the rays, he is enabled to exactly localise in the three dimensions of space, the position of the foreign body. Some further details of this method were now given. The only objection to this process is that it is lengthy and that the apparatus is expensive?a set costing about ? I o, I os. There is, however, a much shorter method of determining the exact depth at which a foreign body may lie, which does not involve the use of the somewhat complicated apparatus of Dr M. Davidson.
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correctly diagnosed by CT scan have been described.6 Ultrasonography has been advocated in view of its availability, low cost, and high detection rates. One study,3 using porcine eyes, reported an overall IOFB detection rate by ultrasound of 930/O compared with 40°/O by plain x ray. Significantly, Bryden et al's detection rate for Perspex was 96%. Localisation is, of course, less accurate and t...
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on the use of the Rays in the field. The following chapters are concerned with the production of the radiograph, its development, and so on. The localisation of foreign bodies in the tissues is fully described. What may be considered the second portion of the book consists of the radiography of the normal bones and joints, and this is followed b}^ the conditions found when they are diseased. Th...
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