肺炎的脓肿灶（低倍镜）
2010-06-02 15:45:17   来源：   评论：0

18.This more focal abscess containing a neutrophilic exudate as well as dark blue bacterial colonies suggests aspiration or hematogenous spread of infection to the lung. Aspirated material from the oral-pharyngeal region contains bacterial flora. Hematogenous     spread of infection to lungs could occur from septicemia or from infective endocarditis involving the right side of the heart.