1、布氏姜片吸蟲(chóng)Fasciolopsis buski lives in the small intestine Intestinal fluke(腸吸蟲(chóng)) Fasciolopsiasis(姜片蟲(chóng)病)Contents ：形態(tài) Morphology 生活史 Life cycle 致病 Pathogenicity 實(shí)驗(yàn)室診斷 Laboratory diagnosis流行 Epidemiology防治 Prevention and treatmentMorphology: adult 寄生人體中最大的吸蟲(chóng) 2075820mmventral sucker:digestive system: OvaryUte

2、rusoral suckerMorphology: adultTestisMorphology: eggSize: 1301408085 mShape:Color:Shell:Content:卵殼：薄內(nèi)容物：一個(gè)卵細(xì)胞和2040個(gè)卵黃細(xì)胞卵蓋: 小而不明顯Life cycle Definitive host：Reservior host:Intermediate host:Site of inhabitation：Transmit vector：human and pigpigsegmentina (扁卷螺)small intestineaquatic plant Brief summary

3、of life cyclepictureInfective stage：Route of infection：Eggs excreted in feces .encysted metacercaria by ingesting metacercariae on the aquatic plants Brief summary of life cyclePathogenicity 致病機(jī)制 吸盤(pán)吸附腸壁腸粘膜損傷； 蟲(chóng)體吸附在腸壁，攝取養(yǎng)料及覆蓋腸粘膜而影響消化、吸收功能； 蟲(chóng)體毒素；臨床表現(xiàn)輕度感染 ：無(wú)明顯臨床病癥； 中度感染：消化功能紊亂、營(yíng)養(yǎng)不良等；重度感染：消瘦、貧血、腹水、發(fā)育障礙等

4、。Pathogenicity 病原學(xué)診斷 糞檢查蟲(chóng)卵直接涂片法 ： 濃集法： 糞便或嘔吐物中查成蟲(chóng)Laboratory diagnosisEpidemiology主要分布在亞洲的溫帶和亞熱帶地區(qū)。 傳染源：病人、帶蟲(chóng)者、保蟲(chóng)宿主 傳播途徑：生食水生植物的不良習(xí)慣 易感人群：Prevention and treatment查治傳染源：吡喹酮切斷傳播途徑：加強(qiáng)糞便管理； 保護(hù)易感人群：開(kāi)展健康教育衛(wèi)氏并殖吸蟲(chóng)Paragonimus westermani live in lung of host lung fluke(肺吸蟲(chóng) paragonimiasis 肺吸蟲(chóng)病)Contents ：形態(tài) Morp

5、hology 生活史 life cycle 致病 pathogenicity 實(shí)驗(yàn)室診斷 Laboratory diagnosis流行 epidemiology防治 Prevention and treatmentLiving adultMorphology pharynxintestineventral suckerovaryuterusMorphology：adultoral suckertestes卵蓋卵細(xì)胞卵黃細(xì)胞Morphology: eggLife cycle picture Definitive host： Intermediate host: 1st: 2nd: Reservi

6、or host: Parasitized sites：human / carnivores食肉動(dòng)物melania snail (川卷螺)crab or crayfish lungcarnivores such as cat, tiger, wolf, fox, etc. Brief summary of life Cycle Infective stage: Infective route: Life span:metacercariaeating raw or undercooked freshwater crabs and crayfish with metacercaria5-6 yea

7、rs Eggs are passed in sputum or feces Brief summary of life Cycle 致病機(jī)制機(jī)械性損傷；免疫病理反響 危害部位：肺；異位寄生 急性期 : 由童蟲(chóng)移行所致 慢性期 : 可分為三期 膿腫期 囊腫期 纖維瘢痕期Pathogenicity 臨床表現(xiàn) 急性肺吸蟲(chóng)病 慢性肺吸蟲(chóng)病Pathogenicity 胸肺型: 最常見(jiàn)皮下型：腹型：腦型picturepicture 痰或糞便中檢出蟲(chóng)卵 活檢 病原學(xué)檢查: 免疫學(xué)診斷： ID； ELISA； 循環(huán)抗原檢測(cè) 影像學(xué)檢查：X線、CT等Laboratory diagnosis流行區(qū)的分布流行環(huán)節(jié)

8、source of infection： intermediate host： eating habit：Epidemiology 宣傳教育：不生食溪蟹、蝲蛄等 常用治療藥物： 吡喹酮Prevention and treatment斯氏貍殖吸蟲(chóng)Pagumogonimus skrjabini 人是本蟲(chóng)的非正常宿主 主要為童蟲(chóng)寄生于皮下，引起貍殖吸蟲(chóng)病Shape:Sucker:ovaryDifference :Morphology：adult The life cycle is similar to P. westermani. Final host： Intermediate host：1st : 2nd： Human is not the suitable host