Doctor insights on:
What does "nodularity of visceral pleura" mean on CT scan? Was diagnosis with pleurisy and pleural effusion with atelectasis.
Multiple pathologies: Inflammation of the pleura, pleurisy, may be due to infections in the pleural cavity or overlying lung. There is generally inflammation of the pleura overlying lung infarcts. Auto-immune diseases, e.g., lupus can also cause inflammation of pleura. Pleurisy of apparent unknown cause should be treated as tuberculosis unless proven otherwise. ...Read more
how can pleura thickening cause pain if it originates on the visceral layer which isn't sensitive to pain?
Pleural innervation: It's true that the visceral layer of pleura has no sensory innervation. But the other layer of pleura -- the parietal pleura -- is continuous with the visceral one and lines the inside of the chest. This parietal pleura is richly innervated via intercostal and phrenic nerves, and is very painful when injured or inflamed. Ask anyone who's been awake while receiving a chest tube. ...Read moreSee 1 more doctor answer
Covers the lung: The pleura is a thin lining of the chest wall and lung. The pleura must be opened if you want to operate on the lung or any structure inside the chest. Since it covers the chest wall the pleura must be punctured if you want to put a needle into the chest to sample fluid or tissue. ...Read more
Two layers: Lungs are covered in two layers of pleura, visceral and parietal. Both the thin layers of connective tissue with flattened epithelial lining. There is a potential space between the two layers and normally there is a small amount amount of lubrication fluid between the layers. ...Read more