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Trematodes upload 2010

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This is a short version of the Trematode presentation. I only include the slides containing the most important information.
- May 2010.

Published in: Health & Medicine, Technology

Trematodes upload 2010

  1. 1. Trematodes<br />For educational purpose only. No copyright infringement intended. All images belong to their respective owners.<br />
  2. 2. Slide preparations<br />Fasciola hepatica (egg, adult)<br />Paragonimuswestermanitelur<br />Opistorchis (egg, adult)<br />Clonorchissinensis (egg, adult)<br />Schistosomamansoni<br />Schistosomajaponicum<br />Schistosomahaematobium<br />Redia<br />SerkariaSchistosoma<br />
  3. 3. Allen G.P. Ross, Ph.D., Paul B. Bartley, M.B., B.S., Adrian C. Sleigh, M.B., B.S., M.D., G. Richard Olds, M.D., Yuesheng Li, M.D., Ph.D., Gail M. Williams, Ph.D., and Donald P. McManus, Ph.D., D.Sc. Schistosomiasis. N EnglJ Med, Vol. 346, No. 16 April 18, 2002<br />
  4. 4. Clinical manifestations of schistosomiasis<br />Allen G.P. Ross, Ph.D., Paul B. Bartley, M.B., B.S., Adrian C. Sleigh, M.B., B.S., M.D., G. Richard Olds, M.D., Yuesheng Li, M.D., Ph.D., Gail M. Williams, Ph.D., and Donald P. McManus, Ph.D., D.Sc. Schistosomiasis. N EnglJ Med, Vol. 346, No. 16 April 18, 2002<br />
  5. 5. Gastrointestinal and Liver Disease<br />Most granulomas develop at the sites of maximal accumulation of eggs:<br />the intestine and the liver (S. mansoniand S. japonicum)<br />the genitourinary tract (in the case of S. haematobium)<br />Eggs retained in the gut wall induce inflammation, hyperplasia, ulceration, microabscess formation, and polyposis.<br />Eggs of S. mansoniand S. japonicumembolize to the liver: granulomatous inflammatory response:<br />presinusoidal inflammation <br />periportal fibrosis<br />periportal collagen deposits<br />progressive obstruction of blood flow<br />portal hypertension <br />ultimately varices, variceal bleeding, splenomegaly, and hypersplenism<br />Allen G.P. Ross, Ph.D., Paul B. Bartley, M.B., B.S., Adrian C. Sleigh, M.B., B.S., M.D., G. Richard Olds, M.D., Yuesheng Li, M.D., Ph.D., Gail M. Williams, Ph.D., and Donald P. McManus, Ph.D., D.Sc. Schistosomiasis. N EnglJ Med, Vol. 346, No. 16 April 18, 2002<br />
  6. 6. Mostly involved in pathogenesis of venous obstruction in schistosomiasis:<br />Portal veins<br />Splenic veins <br />Esophageal veins<br />Rectal veins<br />Mesenteric veins<br />
  7. 7. Dermatitis in schistosomiasis patient<br />http://img.medscape.com/pi/emed/ckb/pediatrics_general/996090-999469-98.jpg<br />
  8. 8. Dermatitis in schistosomiasis patient<br />http://upload.wikimedia.org/wikipedia/commons/5/5a/Cercarial_dermatitis_lower_legs.jpg<br />

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