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Tag: monoclonal gammopathy

September 17, 2026

Multiple Myeloma Blood Tests: SPEP, Immunofixation, and Free Light Chains

Why monoclonal-protein results must be interpreted with blood counts, calcium, kidney function, urine studies, and specialist evaluation.

Multiple myeloma blood tests work together to answer different questions. Serum protein electrophoresis (SPEP) looks for an abnormal protein pattern and can measure an M-protein. Serum immunofixation identifies its type. The serum free light chain […]

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August 11, 2026

Cancer Blood Tests and Tumor Markers: Uses, Limits, and Next Steps

How CBC, organ-function tests, PSA, CA-125, CEA, AFP, CA 19-9, and emerging liquid biopsies support cancer evaluation and monitoring—and why no blood test diagnoses cancer alone.

Cancer blood tests include routine blood counts and chemistry tests, selected tumor markers, protein studies, and specialized molecular assays. They can support risk discussions, symptom evaluation, pretreatment baselines, treatment-safety monitoring, response assessment, and follow-up. However, […]

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