Books > Medicine > Clinical & internal medicine > Otorhinolaryngology (ENT)
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Selective Bronchography and Bronchial Brushing (Paperback, Softcover reprint of the original 1st ed. 1979)
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Discovery Miles 30 700
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Selective Bronchography and Bronchial Brushing (Paperback, Softcover reprint of the original 1st ed. 1979)
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Since the respiratory airways branch to all parts of the lungs and
ready access is provided through the nose or mouth, exploration of
these passages for direct visualization or tissue sampling has long
been a clinical challenge. This would be particularly helpful in
diagnosing those pulmonary diseases that involve the bronchial tree
or affect the surrounding lung parenchyma which prove difficult to
diagnose or define by indirect methods. The pioneering efforts of
Chevalier Jackson in 1918, using bismuth insufflation for
radiologic visualization of the bronchial tree, and of Sicard and
Forestier, who introduced poppy seed oil (lipiodol) in 1922,
rapidly established bronchography as a practical radiologic
diagnostic procedure. The initial enthusiasm was soon tempered by
recognition of practical problems, and over the years the
popularity of bronchography has waxed and waned as techniques were
refined and new equipment, instrumentation and contrast agents
evaluated. At the same time, alternative methods of diagnosis were
being developed, notably sputum cytology, percutaneous needle
aspira tion and biopsy, and bronchial brushing. In recent years, a
number of medical and technologic developments have revived
interest in transbronchial techniques and have made such a
diagnostic approach more attractive. Improvements in topical airway
anesthesia effectiveness have simplified passage of a variety of
catheters, brushes, biopsy devices, fiberoptic or other
bronchoscopic instruments along the bronchial passageways. Methods
of guiding the catheter or other trans bronchial instrument toward
the target site in the lung have also been refined.
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