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Parasitology - Rapid OSPE Review

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Parasitology - Rapid OSPE Review

Parasitology - Rapid OSPE Review

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  • 1. By: Abbas Naseem (BDS)abbas_naseem@yahoo.com
  • 2. A. Identify the parasite and write it‟s name.B. Name the stage of parasite ingested by a suitablefreshwater crustacean (the copepod).C. Name the infective stage of parasite to humans.D. What is the major complication of this parasite? abbas_naseem@yahoo.com By: Abbas Naseem (BDS) 2
  • 3. Carefully see the life cycle given in the photograph and answer thefollowing.A. Name the parasite.B. Name two intermediate hosts for this parasite.C. How the definitive host becomes infected?D. What lesion/disease is caused by this parasite in humans? abbas_naseem@yahoo.com By: Abbas Naseem (BDS) 3
  • 4. Carefully see the life cycle given in thephotograph and answer the following.A. Name the parasite.B. How humans become infectedwith this parasite? abbas_naseem@yahoo.com By: Abbas Naseem (BDS)C. Where adult worm lives inhumans?D. In which parts of Pakistan, thisparasitic infection is common? 4
  • 5. Carefully see the life cyclesgiven in the photograph andanswer the following.A. Name the parasites.B. For which parasite, pig is abbas_naseem@yahoo.com By: Abbas Naseem (BDS)an intermediate host?C. Name the infective stagefor humans.D. What is the length ofparasite whose intermediatehost is cattle? 5
  • 6. Identify the parasite andwrites its name.Name the infective stageof the parasite.What will be two abbas_naseem@yahoo.com By: Abbas Naseem (BDS)important findings inBlood complete picture? 6
  • 7. Identify the life cycle andwrite the name of parasite.How the humans areinfected with this parasite? abbas_naseem@yahoo.com By: Abbas Naseem (BDS)How this parasiticinfestation can bediagnosed in humans?Who is the primary host ofthis parasite? 7
  • 8. Identify the above ovum andname the parasite.Where the gravid female layseggs?What is the infective stage of abbas_naseem@yahoo.com By: Abbas Naseem (BDS)parasite?Name the method used to collectthe specimen for microscopicdetection of ova. 8
  • 9. Identify the above ovum andname the parasite.Where the adult worm is foundin humans?What is the infective stage of abbas_naseem@yahoo.com By: Abbas Naseem (BDS)parasite?What is the other name given tothis parasite? 9
  • 10. Identify the above cyst andname the parasite.Where the cysts are formed?What is the infective stage of abbas_naseem@yahoo.com By: Abbas Naseem (BDS)parasite?What is the diagnostic findingin acute infection with thisparasite? 10
  • 11. Examine the egg of an intestinal nematode focused in the slideon the microscope and write answers of the following.Write the name of the parasite having this type of ovum.Name two important complications of this parasite in human. abbas_naseem@yahoo.com By: Abbas Naseem (BDS)How this ovum is different from ovum of Hook worm? 11
  • 12.  Examine the cyst of an intestinal protozoa focused in the slide on the microscope and write answers of the following. Write the name of the parasite having this type of cyst. Name two important extraintestinal lesions of this parasite in human. abbas_naseem@yahoo.com By: Abbas Naseem (BDS) How this cyst is different from cyst of E. coli? 12
  • 13. STATION 1 Identify the worm Give 2 points of identification. How is it transmitted to humans. a. Ascaris Lumbricoides b. Rounded & tapered at both ends c. Swallowing embryonated eggs
  • 14. STATION 2 Patient presented with fever and chills. His Blood smear shows the parasite seen in the picture. Give your diagnosis. Identify the various forms seen in the blood smear.a. Malariab. Ring form
  • 15. STATION 3 Patient presents with abdominal pain, diarrhea and vomiting. Worm is recovered from the stool. Identify it, what is the mode of transmission. Enlist various complications of this worm a. Trichuris Trichiura b. Faeco-oral c. Appendicitis, Abdominal discomfort
  • 16. STATION 4  25 years old married female presents with foul smelling vaginal discharge. Her vaginal discharge reveals a parasite seen in the picture.  Identify it,  give points of identification.  Does her partner needsa.Trichomonas vaginaliswell? treatment asb. trophozoites, 4 free flagella, 5th one passes backwardsc. yes
  • 17. STATION 5 Worm is recovered from a farmers stool. Scolix of the worm is without hooklets. Name the worm, identify the hosts for this worm and give the common name of egg of this worm a. Taenia Saginata b. Cattle(beef) c. Hexacanth embryo
  • 18. STATION 6 Rice farmer comes to you with a lesion on his feet shown in the picture. He is anemic with a low MCV and ova are recovered from his stool. What is the lesion, identify the worm and give 2 other lesions caused by this parasite a. Ancyclostomiasis b. Ancyclostoma Duodenale c. Ground itch, Eosinophilia, Anemia
  • 19. STATION 7 A balouchi girl presents with anemia and her spleen is enlarged 4 fingers below costal margin. She has ulcerative nodules over her skin and her bone marrow reveals as shown in picture. Identify the parasite and what form is seen in the photograph. Where is the parasite a.found. LeishmaniaDonovanib. Amastigotec. In Sandfly
  • 20. STATION 8 Name the worm and give 2 points of identification of the ova seen. What is the ideal method of recovering the eggs of this worm Give 2 important complications.a. Pinworm(entrobeus vermicularis)b. colorless, transparent shellc. Scotch tape testd.Pruritus, intestinal haemorrhage
  • 21. STATION 10 Patient presented with macrocytic anemia and the ovum seen is recovered from stool. Identify the worm, what are the morphological characteristics of the ovum and name the hosts of the parasite. a. Diphylobothum latrum( fish tapeworm) b. Operculated ova c. Copepods & Fish
  • 22. STATION 11  Name the parasite.  Give morphological characteristics of the ovum seen.  Name 2 important complications.a. Ascaris lumbricoidesb. Mammilated/embryonated eggsc. Ascaris pneumonia, cough, dyspnea
  • 23. STATION 12 A cyst seen in the picture is excised from a cattle farmer. Identify the parasite, name the larval form and what is the mode of transmission.a. Echinococcus Granulosus (dog tapeworm)b. Hydatid Cystc. Uncooked contaminated vegetables
  • 24. STATION 13 25 years old present with dysentry and a parasite is recovered from his stools. Identify the parasite seen in the picture, give the findings seen, mode of transmission and 1 important complication.a. ENTAMOEBA HISTOLYTICAb. Trophozoite formc. Faeco-oral routed. Chronic intestinal amoebiasisAmoebic liver abscess
  • 25. STATION 14 6 year old presents with pneumonia and is anemic. His stool reveals the ovum seen in the picture. Identify the worm. Is this parasaite can be a cause of pneumoia. Name 2 other other lesions caused by this worm.a. Ancylostoma Duodenaleb. Yesc. Ground itch, anemia, eosinophilia
  • 26. STATION 15  Identify the parasite, give mode of transmission and how will you investigate thea. case to reach a Giardia lambliab. Faeco-oral route diagnosis.c. (Fat malabsorption, Bloating and indigestion, Watery/fatty Diarrhea, Chronic enteritis, Anemia.)Stool Examination:Cysts.Trophozoites rarely.Other Tests;Elisa: Detect Giardia cyst wall antigenString Test.
  • 27. STATION 16 Name the worm Give morphological characteristic of the ovum seen. What is the route of transmission. Give 2 important complications. a. TRICHURIS TRICHIURA (whip worm) b. Mucus plugs at both ends c. Ingestion of eggs d. Rectal prolapse, Diarrhoea, Acute appendicitis
  • 28. STATION 17 25 year old present with fever, chills, headache and confusion. His blood smear is shown in the picture. Give your diagnosis. What form of the parasite is seen in the picture. Name the renal complication associated a. Malaria b. with this parasite. Ring formc. Acute tubular necrosis
  • 29. Station 18 Patient presented with anaemia and splenomegaly. Bone marrow reveals a parasite seen in the pic, give your diagnosis, identify the form, what is mode of spread and which cells are the main target. a. Leishmenia b. Bite of sand fly c. reticulo-endothelial cells (macrophages)
  • 30. STATION 19 Identify the parasite. What are the findings you see in the picture. Give findings present on the scolix of this worm. Name a lethal complication of the parasite. a. Taenia Solium b. Central stem with 5 to 10 lateral branches on each side. c. 4 suckers d. Cysticercus cellulosae (present as space occupying lesion.)
  • 31. Entamoeba histolytica Cyst form: 4 nulcei Trophozoite form Bull eye shape nucleus Contain ingested RBCs By: Abbas Naseem (BDS)31 abbas_jani@hotmail.com
  • 32. By: Abbas Naseem (BDS)32 abbas_jani@hotmail.com
  • 33. Diphylobothrum latum – fish tapeworm – oval – operculum at one end By: Abbas Naseem (BDS)33 abbas_jani@hotmail.com
  • 34. Entrobius vermicularis ( pinworm ) – typical D shaped , Transparent, Colorless By: Abbas Naseem (BDS)34 abbas_jani@hotmail.com
  • 35. Plasmodium Falciparum Classical malarial parasite; ring form By: Abbas Naseem (BDS)35 abbas_jani@hotmail.com
  • 36. Ascaris lumbricoides ( giant round worm – brown with mamellations n wavy m UNSEGMENTED OVUM By: Abbas Naseem (BDS)36 abbas_jani@hotmail.com
  • 37. Trichuris trichura – whipworm – barrel shaped – brown – mucus plugs at both ends – segmented ovum ! By: Abbas Naseem (BDS)37 abbas_jani@hotmail.com
  • 38. Hook worm ( ankylostoma duodenale ) – transparent egg shell – oval – blastomere ! Segmented Ovum By: Abbas Naseem (BDS)38 abbas_jani@hotmail.com
  • 39. THANK YOUFor Reporting Errors(Feedback)Comments & Suggestionsabbas_naseem@yahoo.com Abbas Naseem(BDS) Dated: Nov, 8 2010