Figure 2.

Ultrasonographic evaluation of disseminated neoplastic lesions on the pleura. Small nodules of 1-1.3 mm size on the surface of the pleura, exhibiting homogeneous low echogenicity inside with a hypoechoic structure, were identified, which had not been noted at the early stage of the disease, via detailed ultrasonographic examination using a high frequency linear probe (A, arrows). The adjacent normal pleurae were delineated as finely hyperechoic linear structures (B, arrowheads). The nodules gradually increased in size and number on the parietal pleura (C, arrows) as well as the visceral pleura and diaphragm (D, arrows). Arrowheads, parietal pleura; TW, thoracic wall; PE, pleural effusion; DP, diaphragm; PL, lung; LIV, liver. Scale bar = 0.5 cm.