重麦等科大学 nongging Medical University Infectious diseases and Parasitosis Depart.of Pathol.CQMU
Infectious diseases and Parasitosis Depart. of Pathol. CQMU
烟童走普种大 ongqing Medical University Bacillary dysentery An acute infectious disease of the intestine caused by genus Shigella Patients present with bellyache,diarrhea,blood and pus in the stools,and tenesmus enterokinesia,nervous stimulation awareness of defecation severe in infants and young children
Bacillary dysentery An acute infectious disease of the intestine caused by genus Shigella Patients present with bellyache, diarrhea, blood and pus in the stools, and tenesmus （enterokinesia↑, nervous stimulation →awareness of defecation ） severe in infants and young children
重蹇等科大学 ongging Medical University 1.Etiology and pathogenesis Shigella species Shigella dysenteriae,S.flexneri,S. sonnei and S.boydii Patients and carriers -source of infection Spread through fecal-oral transmission <1000 organism may cause an infection
1.Etiology and pathogenesis ◼ Shigella species Shigella dysenteriae , S. flexneri, S. sonnei and S. boydii ◼ Patients and carriers - source of infection ◼ Spread through fecal-oral transmission <1000 organism may cause an infection
國重走普种大 ngqing Medical University Eodotoxin-lesion in intestine Exotoxin (Shigella dysenteriae)-lesions of the bowel and CNS Bacillary culture of stool(+)-diagnosis
Eodotoxin lesion in intestine Exotoxin (Shigella dysenteriae) lesions of the bowel and CNS Bacillary culture of stool(+) – diagnosis
重麦等科大 2.Pathological changes Location large intestine,especial the sigmoid colon and rectum The affected mucosa swollen and covered with dirty exudate (pseudomembrane) pseudomembrane sloughs multiple shallow ulcers
2.Pathological changes Location large intestine, especial the sigmoid colon and rectum The affected mucosa swollen and covered with dirty exudate (pseudomembrane) pseudomembrane sloughs multiple shallow ulcers