PMC3350268_01
CT scanning of chest showing a lung cancer of 33 mm in the left S1+2.
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fig1
Computed tomographic scanning of chest showed a nodule of 33 mm in a diameter in the left S1+2 (Figure 1).
(a) Extensive inflammation of the resected lower lobe. (b) Lung parenchyma, B: pleura. Suppurative pan-pleuritis.
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fig2
The resected specimen revealed the inflammatory surface of lower lobe with extensive suppurative pleuritis (Figures 2(a) and 2(b)). Pathologically, there was a suppurative pan-pleuritis and disruption of pulmonary artery, and the pulmonary arterial wall was partly necrotic and marked infiltration of neutrophile was seen (Figures 2(b), 3(b) and 3(c)).
(a) The pulmonary artery was inflammated, edematous, and fragile. A: The first hemorrhage part in peripheral had been completely closed by prolene with pledgets. B: The second bleeding lesion was in the proximal lesion; a large cleft was opened. (b) A: adventitia; B: media; C: intima; D: organizing thrombi. Pathology disclosing the ruptured lesion of pulmonary arterial wall, in which adventitia and media tunicas were thin because of tearing off. (c) A: adventitia; B: media; C: intima. A severe inflammatory change has been observed in the three tunicas of the pulmonary arterial vessel.
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fig3
The completely sutured lesion for the first bleeding displayed no abnormality; however, the second hemorrhage occurred in a different lesion, proximal pulmonary artery, and which resulted in a rupture due to infection (Figures 3(a) and 3(b)). Pathologically, there was a suppurative pan-pleuritis and disruption of pulmonary artery, and the pulmonary arterial wall was partly necrotic and marked infiltration of neutrophile was seen (Figures 2(b), 3(b) and 3(c)). Organizing thrombi were attached in the inflammated wall (Figure 3(b)).