Case #259 - September, 2009
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A four-year-old child was admitted to the hospital for sever abdominal pain mimicking appendicitis. A small section of bowel was removed and sent to the Pathology Department for work-up. A section of tissue was preserved in formalin, sectioned, and stained with hematoxylin and eosin (H&E). Images A-C show what was observed at 100x magnification of slides made from the tissue specimen. In addition to the biopsy, stool was collected for routine ova and parasite (O&P) examination. The object is Figure D, which measured on average 73 micrometers long by 37 micrometers wide, was seen in low numbers in a concentrated wet mount from a formalin-preserved aliquot of the stool. What is your diagnosis? Based on what criteria?
Figure A
Figure B
Figure C
Figure D
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.
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