Case #314 - December, 2011
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A 25-year-old man sought medical attention for a nodule on his right hand that had developed about a year after returning from travel to Liberia. The nodule was surgically excised and a tangled mass of thin, white worms was observed within. The worms were preserved in 10% formalin and sent to CDC-DPDx for identification. Figure A shows the mass of worms; Figures B and C show what was observed at 100x after partial clearing in lactophenol. What is your diagnosis? Based on what criteria?
Figure A
Figure B
Figure C
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/.
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- Page last updated: August 24, 2016
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- Global Health – Division of Parasitic Diseases and Malaria
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