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Case #322 - April, 2012

Case #321 - April, 2012

A 55-year-old man from the Middle East presenting with chronic abdominal pain was seen by his health care provider.

	Case321_A

Figure A

	Case321_B

Figure B

	Case321_C

Figure C

	Case321_D

Figure D

Case Answer

Answer to Case #321

This was a case of hydatid disease caused by Echinococcus granulosus. Diagnostic features included:

  • the presence of refractile hooklets (Figures A and B).
  • presence of protoscoleces (Figures C and D).

More on: Echinococcosis

Images presented in the monthly case studies are from specimens submitted for diagnosis or archiving. On rare occasions, clinical histories given may be partly fictitious.

DPDx is an education resource designed for health professionals and laboratory scientists. For an overview including prevention and control visit www.cdc.gov/parasites/.

  • Page last reviewed: August 24, 2016
  • Page last updated: August 24, 2016
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