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Denis S. O'Connor, M.D.
JAMA. 1924;83(13):999-1000. doi:10.1001/jama.1924.26610130002012b.
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This case is of interest, not because of the presence of an echinococcus cyst, but because the cyst was the cause of the sudden death of a young man, apparently in good health, following a minor injury.

REPORT OF CASE  A well developed and well nourished Italian, aged 23, employed in a large factory as a driver on an electric truck, failed to stop it while traveling at a speed of about 5 miles an hour, and it crashed into some boxes piled against an iron post. There were two tiers of the boxes, the top tier projecting out over the lower for about 2 feet. No part of the truck came into contact with the boxes, but the driver, to avoid hitting the upper row with his face, was obliged to hyperextend his body, and it is assumed that the lower edge of the upper projecting box struck him


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