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Case #444 – May, 2017

A 37-year-old male immigrant from the Middle East sought medical attention for pain in the upper right abdominal quadrant. Ultrasonography revealed a single compartment hepatic cyst approximately 7 cm in diameter and during the imaging, a fine biopsy needle was used to obtain an aspirate specimen. The specimen was sent to the CDC DPDx Team for examination.  Figures AD show what was observed at 200x magnification; Figures A and B are of the same microscopic field but different focal planes.  What is your diagnosis?  Based on what criteria?  What, if any, other tests would you recommend?

Case444_A

Figure A

Case444_B

Figure B

Case Image

Figure C

Figure D

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

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