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Paediatric trauma with hyperamylasemia.

Tristan Boam1, Jonathan Durell2, Haitham Dagash2

  • 1Royal Liverpool Hospital, Liverpool, UK.

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|October 8, 2015
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Summary
This summary is machine-generated.

Minor facial trauma in a child caused elevated salivary amylase levels. This case highlights that parotid gland injury, not pancreatic issues, can be the source of hyperamylasemia in pediatric patients.

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Area of Science:

  • Pediatric Traumatology
  • Clinical Biochemistry
  • Emergency Medicine

Background:

  • Hyperamylasemia, an elevation in amylase levels, is often associated with pancreatic injury.
  • Distinguishing the source of hyperamylasemia is crucial for appropriate patient management and avoiding unnecessary investigations.

Observation:

  • A 12-year-old boy presented with hyperamylasemia after sustaining superficial facial lacerations from a motorcycle accident.
  • Fractionated isoamylase testing revealed the elevated amylase was predominantly salivary in origin.
  • Serum lipase levels were noted to be low, further suggesting a non-pancreatic source.

Findings:

  • The hyperamylasemia was attributed to minor parotid gland trauma rather than pancreatic injury.
  • The salivary isoamylase elevation indicated direct injury to the parotid gland.
  • Normal lipase levels supported the exclusion of acute pancreatitis.

Implications:

  • This case underscores the importance of considering parotid gland trauma as a cause of hyperamylasemia in pediatric patients.
  • Accurate diagnosis based on isoamylase testing can prevent unnecessary imaging and interventions.
  • Conservative management is appropriate when hyperamylasemia is linked to parotid trauma.