ALK immunohistochemistry
A staining test to detect ALK protein in tumour tissue.
Not a diagnosis and not final medical advice. Must be reviewed by a doctor.
Purpose of the test
- Detects ALK expression indicating ALK fusion.
- Makes for an efficient initial check.
Informs decisions
- Suitability of ALK inhibitor categories.
How the test is done
Anti-ALK antibody staining of tissue sections.
- Sample type
- Block tumor tissue
- Estimated result time
- Generally several working days.
Limitations
- Confirmation is required for cases with weak or questionable staining.
- Limited to the interpretation of experienced readers.
Related
Cancer types
Markers tested
Not displayed
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Sources
- NCI Dictionary of Cancer Terms(lembaga)
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