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Bone-specific alkaline phosphatase in plasma as tumour marker for osteosarcoma
P P Liu1, K S Leung, S M Kumta
1Department of Orthopaedics and Traumatology, Faculty of Medicine, Prince of Wales Hospital, Chinese University of Hong Kong, Shatin, Hong Kong.
Oncology
|July 1, 1996
Summary
Plasma bone-specific alkaline phosphatase (BALP) is elevated in osteosarcoma patients, distinguishing them from normal subjects and those with other bone conditions. Higher BALP levels correlate with disease recurrence, indicating its value in osteosarcoma diagnosis and monitoring.
Area of Science:
- Biochemistry
- Oncology
- Orthopedics
Background:
- Osteosarcoma is a primary malignant bone tumor.
- Accurate diagnosis and monitoring are crucial for effective osteosarcoma treatment.
- Biochemical markers can aid in disease management.
Purpose of the Study:
- To investigate the diagnostic and prognostic value of plasma bone-specific alkaline phosphatase (BALP) in osteosarcoma patients.
- To compare BALP levels in osteosarcoma with normal subjects and patients with other bone conditions.
- To assess the relationship between plasma BALP levels and osteosarcoma recurrence.
Main Methods:
- Measurement of plasma and tumor tissue BALP levels using the wheat germ lectin precipitation technique.
- Comparison of BALP levels between osteosarcoma patients, normal subjects, patients with benign bone tumors, and patients with bone metastases.
- Correlation analysis of plasma BALP levels at diagnosis with disease recurrence rates.
Main Results:
- Plasma BALP levels were significantly higher in osteosarcoma patients compared to normal subjects (p < 0.001).
- Plasma BALP levels were significantly higher in osteosarcoma patients than in those with benign bone tumors or bone metastases (p < 0.0001).
- Elevated plasma BALP at diagnosis correlated with increased disease recurrence (p < 0.05) and was higher in recurrent cases (p < 0.05).
- BALP levels in osteosarcoma tissue were significantly higher than in control bone extracts (p < 0.05).
Conclusions:
- Plasma BALP is a sensitive and specific biochemical marker for osteosarcoma diagnosis.
- Plasma BALP can be utilized for the subsequent monitoring of osteosarcoma.
- BALP levels show potential as a prognostic indicator for osteosarcoma recurrence.