1 / 24

Microscopic World of Flagellates: Identification & Treatment Guide

Learn about key flagellates like Giardia intestinalis, Chilomastix mesnili, and more. Understand their characteristics, diagnostic methods, and associated illnesses. Discover treatment options like metronidazole and the Entero.String Test. Explore the intricate details of flagellates' structures and life cycles.

grinstead
Download Presentation

Microscopic World of Flagellates: Identification & Treatment Guide

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Flagellates PETER S. AZNAR, M.D., FPSP

  2. Giardia intestinalis • AKA Giardia lamblia • S/S: bloating, flatulence, foul-smelling, fatty diarrhea (often seen in campers/hikers) • cysts in water

  3. G. lamblia • Old man with glasses • Duodenal aspiration indicated • Entero String Test • Associated with nursery school diarrhea outbreaks • Tx: Metronidazole

  4. Giardia lamblia trophozoite

  5. Giardia lamblia cyst

  6. Entero String Test

  7. Chilomastix mesnili • Lemon cyst • The cytosome is evident with a curved shepherd’s crook fibril

  8. Shepherd’s crook

  9. Shepherd’s crook

  10. D. fragilis • Commonly found together with gram (-) infection • Tetrad karyosome in the nucleus • No cyst form • Means of diagnosis: • Trichome stained smear • Associated with nursery school diarrhea outbreaks

  11. Dientamoeba fragilis

  12. Trichomonas hominis • AKA intestinal trichomonas • organ of locomotion; undulating membrane • undulating membrane extends the whole part of the body • no cystic stage

  13. Trichomonas hominis trophozoite

  14. Enteromonas hominis • nonpathogenic • trophozoites have flagella • has cystic stage • common food contaminant

  15. Enteromonas hominis

  16. Enteromonas hominis

  17. Enteromonas hominis

  18. Retortamonas intestinalis • smallest flagellate cyst • has two flagella • cyst is similar to chilomastix mesnili

  19. Retortamonas intestinalis

  20. Trichomonas tenax • AKA oral trichomonas • present in periodontal disease • smallest trichomonas • organ of locomotion; undulating membrane (2/3 length of the body) • no cystic stage

  21. Trichomonas vaginalis • Strawberry shaped lesion/cervix • Associated w/ Hanging Drop tech. • virulence factors; adhesins AP65, AP51, AP33, and AP23 to vaginal epithelial cells • lacks mitochondria • undulating membrane extends one half of the body

  22. Trichomonas vaginalis

  23. THANK YOU!

More Related