Table 2.

Selected thoracic pathologic findings in 74 horses with pleuropneumonia as detected by sonography or postmortem examination. Presented as the number of horses that had the findings present at admission to the hospital, and the total number that developed the finding at some point during hospitalization

Pathologic Finding	Present at Admission	Present at Any Time
Consolidation	68	70
Gas echoes suggestive of anaerobes	29	43
Necrosis	25	42
Pulmonary abscess	14	29
Bronchopleural fistula	4	8
Pleural abscess	2	13
Pleural fibrin	57	63