Roentgenographic Recognition of Pleural Effusion

Imaging of the Pleura

“…4). [23][24][25] Pleural fluid extending into fissures produces variable appearances, often rapidly changing on serial images, depending on the location and overall volume of fluid at the time of the image. 26 Fluid in the major fissure usually causes a faint curvilinear opacity on frontal radiographs, which is often sharpest medially and fades away superiorly and laterally ( Fig.…”