الفهرس 
BASIC ANA TOllY OF TOE PLEURAOnly 14 pages are availabe for public view
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Abstract
The Plain x Ray of the pleura has an important role in diagnosis
of the majority of the diseases of the pleura such as pleural
effusion, peneumothorax, hydropnemothorax and pleural tumor
Although the sensitivity of CT in detecting pleural disease is
widely accepted, however the specificity of CT has not been ·
established because only a few retrospective studies have
compared CT and conventional radiography for the
assessement of pleural disease. Despite limitations ofCT, it
frequently provides precise anatomic localization of the pleura.
CT is especially valuable in differentiation pleural from
parenchymal lung disease especially in patients with complex
pleuro parenchymal pathology. Additionally, the ability ofCT
to differentiate among various tissue densities in selected cases
can allow precise histologic characterization of lesions such as
hemorrhagic effusions. Even in those cases in which a precise
histologic diagnosis is impossible, CT can still play a vital role,
for example, by aiding in the diagnosis of malignant pleural
effusion by identifying the undetectable subpleural nodules or
focal areas of nodular or irrigular pleural thickening.