重庆医科大学：《病理学》课程教学课件（PPT讲稿）Diseases of the Respiratory System

重麦等科大昂 hongging Medical University Diseases of the Respiratory System Depar.of Pathol.CQUM

Diseases of the Respiratory System Depar.of Pathol. CQUM

重废暗科大學 4ggn里Med山eal Univers Pulmonary Infections Pneumonias -very broadly defined as any infection in the lung -an inflammatory process involving the alveolar tissue of the lungs -the histologic spectrum of pneumonia may vary from acute air space pneumonias bacterial pneumonias-a fibrinopurulent alveolar exudate loubur pneumonia lobar pneumonia. Acute intersitital pneumonias mycoplasma virus chlamydia rickettsiae

Pulmonary Infections Pneumonias - very broadly defined as any infection in the lung - an inflammatory process involving the alveolar tissue of the lungs -the histologic spectrum of pneumonia may vary from ◼ acute air space pneumonias bacterial pneumonias- a fibrinopurulent alveolar exudate loubur pneumonia lobar pneumonia. ◼ Acute intersitital pneumonias mycoplasma virus chlamydia rickettsiae

重蹇普科大学 ongging Medical University Lober Pneumonia -Affects a large part,or the entirety of a lobe even two lobes of a lung,frequently unilateral -the most striking changes occurring in the alveoli = seen typically in healthy adults aged 20- 50 years males more than females

Lober Pneumonia - Affects a large part, or the entirety of a lobe even two lobes of a lung, frequently unilateral - the most striking changes occurring in the alveoli - seen typically in healthy adults aged 20- 50 years - males more than females

国重走等种大号 ongqing Med山eal Univers 1.Pathogenes ■ Streptococcus pneumoniae-90% bacteria -allergic reaction-cap. dilation and congestion- increased permeability of the cap.wall acute fibrinous inflammation

1.Pathogenes ◼ Streptococcus pneumoniae- 90% bacteria -allergic reaction-cap. dilation and congestion- increased permeability of the cap. wall ◼ acute fibrinous inflammation

重麦普科大 nongging Medical University 2.Pathology -fibrinous inflammation -the lower lobes or the right middle lobe are most frequently involved

2.Pathology -fibrinous inflammation -the lower lobes or the right middle lobe are most frequently involved

圈声走肾什大子 ongqing Med山eal Uaiver evolved through four stages: ·Congestion Red hepatization ■ Gray hepatization Resolution

evolved through four stages: ◼ Congestion ◼ Red hepatization ◼ Gray hepatization ◼ Resolution

重麦路科大 (1)Congestion -the first stage(1-2 days) -grossly,the affected lobe(s)is (are) heavy red boggy

(1)Congestion - the first stage(1-2 days) - grossly, the affected lobe(s) is (are) ◼ heavy ◼ red ◼ boggy

国重走等种大季 ongqing Med山eal Univers -histologically vascular congestion on the wall of the alveoli alveoli filled with rich-in protein fluid scattered neutrophils in the alveoli many bacteria in the alveoli

- histologically ◼ vascular congestion on the wall of the alveoli ◼ alveoli filled with rich-in protein fluid ◼ scattered neutrophils in the alveoli ◼ many bacteria in the alveoli

重麦路科大 onggin里Med由cal Universit

圈重走华科大导 ongqing Med山eal Uaiver (2)Red hepatization -2-4days grossly,the lung lobe red solid liver-like consistency

(2)Red hepatization - 2-4days - grossly, the lung lobe red solid liver-like consistency