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[Alkaline phosphatase]

T Fukatsu1

  • 1Department of Clinical Laboratory, Nagoya Ekisaikai Hospital.

Rinsho Byori. the Japanese Journal of Clinical Pathology
|January 19, 2002
PubMed

Insights

Elevated alkaline phosphatase can indicate bone or liver disease. Gamma-glutamyl transpeptidase and alkaline phosphatase isozyme patterns help pinpoint the origin of high alkaline phosphatase levels for accurate diagnosis.

Area of Science:

  • Biochemistry
  • Clinical Chemistry
  • Medical Diagnostics

Context:

  • Elevated alkaline phosphatase (ALP) activity is a common clinical finding.
  • High ALP levels are associated with bone diseases (e.g., increased osteoblastic activity) and hepatobiliary conditions (e.g., biliary obstruction).
  • Transient hyperphosphatasemia can occur in children.

Purpose:

  • To differentiate the origin of elevated alkaline phosphatase (ALP) activity.
  • To distinguish between bone and liver-derived ALP.
  • To aid in the diagnosis of various pathological states.

Summary:

  • High alkaline phosphatase (ALP) activity can stem from bone disease or hepatobiliary issues.
  • Gamma-glutamyl transpeptidase (GGT) levels are used to differentiate the source of elevated ALP; normal GGT suggests bone origin.
  • Serum ALP isozyme patterns via electrophoresis are essential for definitive pathological state differentiation.

Impact:

  • Provides crucial diagnostic information for differentiating bone and liver diseases.
  • Enhances diagnostic accuracy in clinical chemistry.
  • Supports targeted treatment strategies based on the identified source of elevated ALP.

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