Low pleural fluid amylase associated with spontaneous rupture of the esophagus.

@article{Rudin1983LowPF,
  title={Low pleural fluid amylase associated with spontaneous rupture of the esophagus.},
  author={J S Rudin and A. Gray Ellrodt and Edward H. Phillips},
  journal={Archives of internal medicine},
  year={1983},
  volume={143 5},
  pages={1034-5}
}
All previously reported determinations of pleural fluid amylase in Boerhaave's syndrome have demonstrated elevated values. We treated a patient with Sjögen's syndrome who had a low pleural fluid amylase level and the concomitant unusual finding of leakage of esophageal contents into the right pleural space.