|title=Mesothelioma Blood Tests and Biomarkers: MESOMARK, Fibulin-3, HMGB1 & Emerging Diagnostics
|description=Comprehensive guide to blood-based biomarkers for mesothelioma including the FDA-approved MESOMARK assay
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|title=Mesothelioma Blood Test Early Detection: MESOMARK, SOMAmer Panel & Prediagnostic Biomarker Res
|description=Comprehensive guide to blood test early detection for mesothelioma including the FDA-approved MESOMARK a
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* '''Biomarker sensitivity vs. imaging''' — the only FDA-cleared mesothelioma blood test (MESOMARK) detects just 32% of cases at 95% specificity, far below LDC
...ume at one second (FEV1). The examining physician may order any additional tests deemed appropriate based on clinical findings.<ref name="osha_surveillance"
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After a physical exam, doctors order imaging tests to look for abnormalities in the chest or abdomen.
'''Can mesothelioma be diagnosed from a blood test?'''
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...unohistochemistry markers, histological subtypes, TNM 8th edition staging, blood biomarkers, and molecular testing.
== What Blood Biomarkers Are Available for Mesothelioma? ==
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...ng validated scoring systems (EORTC, CALGB, Brims, PLECH), BAP1 mutations, blood biomarkers, and factors that improve individual outcomes.
...luding disease stage, histologic subtype, performance status, age, gender, blood biomarkers, and molecular characteristics such as germline BAP1 mutations.<
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...d blood pressure in the pulmonary arteries caused by fibrotic narrowing of blood vessels<ref name="statpearls" />
# '''Pulmonary function tests (PFTs)''' — characteristically show a '''restrictive pattern''' with reduce
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| '''Fibulin-3 (blood)''' || 62-87% || 82-89% || Diagnosis; may outperform mesothelin in some stu
* '''CAR-T Cell Therapy:''' Previously used for blood cancers; now studied for solid tumors including mesothelioma. Early 2025 tr
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...>Pass HI, et al. [https://pubmed.ncbi.nlm.nih.gov/23050525/ Fibulin-3 as a blood and effusion biomarker for pleural mesothelioma]. ''New England Journal of
== What Molecular and Genomic Tests Are Used for Mesothelioma? ==
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...CDKN2A FISH result definitively confirms malignancy. When combined, these tests significantly improve diagnostic accuracy beyond either test alone.<ref nam
...tivity while CDKN2A FISH achieves perfect specificity. Together, these two tests substantially improve diagnostic accuracy beyond either test alone and have
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* Persistent dry cough or coughing up blood
'''4. Blood Tests (Biomarkers):'''
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* '''Blood studies''' - Biomarker tests and laboratory results
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* [[Mesothelioma_Blood_Test_Early_Detection|Blood Test Early Detection]]
* [[Mesothelioma_Blood_Tests_and_Biomarkers|Blood Tests and Biomarkers]]
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...ng soluble mesothelin-related peptides/SMRP) remains the only FDA-approved blood biomarker, cleared in 2007 for monitoring treatment response — not screenin
See [[Mesothelioma_Blood_Tests_and_Biomarkers|Blood Tests and Biomarkers]] and [[Medical_Terms_Glossary|Medical Terms Glossary]] for
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...n appear morphologically similar under the microscope. Ancillary molecular tests including BAP1 immunohistochemistry and CDKN2A fluorescence in situ hybridi
...ed to identify mesothelioma versus other cancers, two additional ancillary tests have become essential components of the mesothelioma diagnostic workup for
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...maging & Testing''' (12 terms describing diagnostic imaging and laboratory tests).
...] || 12 terms || CT scan, PET scan, MRI, tumor markers, pulmonary function tests
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* '''Biomarker research''' — blood tests for mesothelin and fibulin-3 are being studied as potential early-detection
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...iagnostic markers''' definitively distinguish these diseases. Mesothelioma tests positive for calretinin (88-100% of cases), WT-1, and CK5/6, while lung ade
| style="padding:12px;" | Tests show no cancer
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...oms mimic common conditions, most doctors never encounter it, and standard tests often miss early-stage disease.<ref>[https://dandell.com/mesothelioma/mesot
'''Step 2: Advanced imaging.''' If initial tests suggest a possible malignancy, additional imaging provides more detail:
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