新版寄生蟲肺吸蟲培訓課件

1、Typical characterFemale genital system:Ovary and womb are at the same level on midline Male genital system:Testes are located at the junction of the posterior fourth of the body1新版寄生蟲肺吸蟲10/3/2022Typical characterFemale genitaThe main parasite including: Paragonimus westermani2. Paragonimus skrjabini

2、3. Paragonimus heterotremus2新版寄生蟲肺吸蟲10/3/2022The main parasite including: PParagonimus westermani3新版寄生蟲肺吸蟲10/3/2022Paragonimus westermani3新版寄生蟲肺吸Oral suckerVetral suckerCecumUterusOvaryTestesExcretory bladder1.adultMorphology4新版寄生蟲肺吸蟲10/3/2022Oral suckerVetral suckerCecumU5新版寄生蟲肺吸蟲10/3/20225新版寄生蟲肺吸蟲

3、10/2/20222. Egg卵蓋operculum卵殼eggshell卵細胞ovotid卵黃細胞yolk cell6新版寄生蟲肺吸蟲10/3/20222. Egg卵蓋operculum卵殼eggshell卵細胞Eggoperculumovotidyolk cell7新版寄生蟲肺吸蟲10/3/2022Eggoperculumovotidyolk cell7新版Live cycleAdult eggEggs pass into water in fecesmiracidiumsporocystcercariaAll these stage are growed in the snailleave

4、 snail and are eated By crabmetacercariaMan is infective by eating the raw crab .wormWorm move throughThe internal organsadultWorms moving way:Small intestine Abdominal cavityThoracic cavityLungPass the diaphragmatic surfaceAre hatched in the duodenum8新版寄生蟲肺吸蟲10/3/2022Live cycleAdult eggEggs pass i9

5、新版寄生蟲肺吸蟲10/3/20229新版寄生蟲肺吸蟲10/2/202210新版寄生蟲肺吸蟲10/3/202210新版寄生蟲肺吸蟲10/2/2022Melania11新版寄生蟲肺吸蟲10/3/2022Melania11新版寄生蟲肺吸蟲10/2/2022CrabCrayfish12新版寄生蟲肺吸蟲10/3/2022CrabCrayfish12新版寄生蟲肺吸蟲10/2/20213新版寄生蟲肺吸蟲10/3/202213新版寄生蟲肺吸蟲10/2/2022Attention:1. Ectopic parasitismSubcutaneous, liver, brain ,spinal cord, eye.

6、14新版寄生蟲肺吸蟲10/3/2022Attention:1. Ectopic parasitisTransport host: Some parasite worm invade abnormal host ,it can not become adult,it maintain the worm stage,but when it has chance to invade normal host it become adult ,the abnormal host called it. 15新版寄生蟲肺吸蟲10/3/2022Transport host: Some paraPathogen

7、esis and clinical manifestation1. Acute period (cause by young worm)The young worms activity cause the partial tissue and organ damaged,bleed,inflamation,the damaged area became a hole and then lead to the tissue ibous,adhesions,particularly the liver.16新版寄生蟲肺吸蟲10/3/2022Pathogenesis and clinical man

8、i2.Chronic periodPathogenesis in lungThe adults mechanical spoilAnd its secretion and excretion inflammationabscesscystWhen the adult die or move Other place or the content Remove or bsorbedGranulation tissue formedfibrous17新版寄生蟲肺吸蟲10/3/20222.Chronic periodPathogenesis iClinical symptomThe patient f

9、eel chest discomfort cough, hemoptysis(咳血) ,Sputum is brown-flake,Egg is often found in the sputum18新版寄生蟲肺吸蟲10/3/2022Clinical symptomThe patient feB. Ectopic parasitismSubcutaneous-cysts in the skinBrain-brain discomfort , epilepsy (癲癇), paralysis (癱瘓)Spinal cord-paresisEye -lose sight or vision dis

10、orderPeritoneum(腹膜)-abdominal pain , diarrhea, blood-stood, enlarging liver19新版寄生蟲肺吸蟲10/3/2022B. Ectopic parasitismSubcutane20新版寄生蟲肺吸蟲10/3/202220新版寄生蟲肺吸蟲10/2/2022Lungsymptom 21新版寄生蟲肺吸蟲10/3/2022Lungsymptom 21新版寄生蟲肺吸蟲10/2/20Brain-spinal cords patient22新版寄生蟲肺吸蟲10/3/2022Brain-spinal cords patient22新Peri

11、toneum23新版寄生蟲肺吸蟲10/3/2022Peritoneum23新版寄生蟲肺吸蟲10/2/2022Subcutaneous24新版寄生蟲肺吸蟲10/3/2022Subcutaneous24新版寄生蟲肺吸蟲10/2/202DiagnosisMake sure whether the patient has the habit of eating the raw crab1. Examination Use the water sedimentation method to find the egg in the fecesUse the direct smear method to f

12、ind the egg in the sputum25新版寄生蟲肺吸蟲10/3/2022DiagnosisMake sure whether the2. X-ray ,CT for the pleura and brain-spinal cords patient26新版寄生蟲肺吸蟲10/3/20222. X-ray ,CT26新版寄生蟲肺吸蟲10/2/2023.Immuniology examinationFor the ectopic parasitismMethod: AST,ELISA,AST-ELISA27新版寄生蟲肺吸蟲10/3/20223.Immuniology examinat

13、ionFor tEpidemiologyCharcteristic: parasitic zoonosesParagonimiasis infect the wile animal in the nature,when human being come into the area he will be infect.Paragonimiasis had ever taken place in Japan ,Korea, Russia28新版寄生蟲肺吸蟲10/3/2022EpidemiologyCharcteristic: parEpidimiology factors:1. Infective

14、 source:A.Wild animal : fox, wolf, leopard, cat, dog etc. B. Human being2. Intermediate host: The snail or the crab which grow in the small stream.29新版寄生蟲肺吸蟲10/3/2022Epidimiology factors:1. Infect3. Infective way:Eat the raw crab or “drunk crab”B. Eat the raw meat of transport hostC. Drink the unboi

15、ling water30新版寄生蟲肺吸蟲10/3/20223. Infective way:Eat the raw cTreatmentPay attention to the eating habit , not to eat the raw crab,not to drink the unboiling water2. Treat the patient: Praziquantel Albendazole Tribendimidine Artemether Artesunate31新版寄生蟲肺吸蟲10/3/2022TreatmentPay attention to the Paragoni

16、mus skrjabini32新版寄生蟲肺吸蟲10/3/2022Paragonimus skrjabini32新版寄生蟲肺吸Morphology1. AdultShape : OliveSucker: Ventral sucker is larger than oral suckerTestes and ovary have more lobation2. Egg: Similar to paragonimus westermuni33新版寄生蟲肺吸蟲10/3/2022Morphology1. AdultShape : OlivLive cycleEssential similar to pa

17、ragonimus westermuniThe different from it is that:1. Definitive host: fruit-eating fox (the main)Human : Abnormal host ,only young worm infect them.2.The No.1 intermediate host: The snail which grow in the small stream34新版寄生蟲肺吸蟲10/3/2022Live cycleEssential similar toTricula spp (擬釘螺）35新版寄生蟲肺吸蟲10/3/2

18、022Tricula spp (擬釘螺）35新版寄生蟲肺吸蟲10/Pathogenesis and clinical manifestations: Larva migrans: some parasite invade human being , human is not the normal host, it only stay in the stage of young worm, the young worm paraste and migration in the body for a long time, at last it cause particular and peneral pathologic change. 36新版寄生蟲肺吸蟲10/3/2022Pathogenesis and clinical maniClinical symptom:1.Subcutaneous type: cystsArea: back and abdomen, four limbs, inguinal region(腹股